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Thrust Ball Bearings

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Four row tapered roller bearing maintenance and maintenance

Four row tapered roller bearing maintenance and maintenance

When selecting the fit, the type of load bearing of the ring should be considered first. Generally

Relationship between bearing fit and type of load

Relationship between bearing fit and type of load

Sometimes the direction and size of the load cannot be determined accurately. For example, in high-speed rotating machinery, in addition to the load bearing the rotor weight is fixed in the direction, there is also the rotating load caused by the unbalanced mass. If the rotating load is much larger than the fixed load, then the resultant load is still the rotating load. If the rotary load is much smaller than the fixed load, the resultant load is the oscillating load. The magnitude and direction of the rotating or swinging load are constantly changing. But in the variable working state, some rings may be subjected to a rotating load, a fixed load, and a swinging load. This load is called an indefinite load.

Relationship between bearing fit and type of load

Relationship between bearing fit and type of load

"creep" phenomenon occurs on the matching surface of its ring on the shaft or in the seat hole. When the load is very light, or when the ring rotates at low speed occasionally under heavy load, the transition fit can be selected. In this case, the shaft surface should have a higher hardness and a smaller surface roughness.

Thrust Ball Bearings

产品介绍

Parameters

Product characteristics
Thrust ball bearing is composed of shaft ring, seat ring, steel ball and retainer. The ring that matches the shaft is called shaft ring, and the ring that matches the shell is called seat ring. The mounting surface of the seat ring is spherical with self-aligning performance, which can reduce the influence of mounting error.

Thrust ball bearing is mainly used to bear axial load, which can transfer large axial load, but cannot bear radial load.The bearings are mainly used in automobile steering mechanism, machine tool spindle and so on.

Product categories

Thrust ball bearings can be roughly divided into two types:

One-way thrust ball bearing

Bidirectional thrust ball bearing

One-way thrust ball bearing

Includes a shaft ring, a seat ring and a ball - cage assembly.Bearings can be separated, shaft ring, seat ring, steel ball - retainer assembly can be installed separately.There are three types:

Thrust ball bearing with flat seat ring

Thrust ball bearing with adjustable seat ring

Thrust ball bearing with self-aligning seat ring and self-aligning seat washer

Unidirectional thrust ball bearings are mainly used to bear unidirectional axial load and can be used for unidirectional axial positioning.

Bidirectional thrust ball bearing

Includes a shaft ring, two seat rings, a center shaft ring and a ball - retainer assembly.Bearings can be separated, shaft ring, seat ring, steel ball - retainer assembly can be installed separately.There are three types:

Thrust ball bearing with flat seat ring

Thrust ball bearing with adjustable seat ring

Thrust ball bearing with self-aligning seat ring and self-aligning seat washer

Bidirectional thrust ball bearing bearing can bear bidirectional axial load and make bidirectional axial positioning.

Size range

The basic dimensions of thrust ball bearings are listed in the table.

Inner diameter size range: 100mm ~ 800mm

Outside diameter size range: 200mm ~ 1250mm

Width size range: 50mm ~ 160mm

The tolerance

The standard thrust ball bearing has normal grade, P6, P5, P4 precision grade, which meets the national standard.cage

The cage is generally made of two kinds of structure, stamping frame and solid frame, and other cages can be used if

When bearing outer diameter D≤250mm, steel plate (belt) shall be used to press the cage, and the rear code of the cage shall not be marked.

When bearing outer diameter D > 250mm, brass solid retainer shall be used, the retainer designation shall not be marked, and the corresponding retainer designation of other marks shall be used.

there are special requirements.

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Cylindrical Roller Bearings

Cylindrical Roller Bearings

Cylindrical roller and raceway for line contact bearing. Large load capacity, mainly bearing radial load. The friction between rolling body and ring retaining edge is small, suitable for high speed rotation. According to whether the ring has a side, it can be divided into NU, NJ, NUP, N, NF and other single-row cylindrical roller bearings, and NNU, NN and other double-row cylindrical roller bearings. The bearing is a detachable structure with inner and outer rings. Cylindrical roller bearings with inner ring or outer ring without flank, the inner ring and outer ring can move relative to each other in axial direction, so they can be used as free end bearings. One side of the inner ring and the outer ring has a double flank, and the other side of the ring has a single flank cylindrical roller bearing, which can bear a certain degree of axial load. A steel plate press cage is usually used, or a solid cage is made of copper alloy. But some use polyamide forming cages. Cylindrical roller and raceway linear contact, radial load capacity is large. It is suitable for both heavy load and impact load as well as high speed rotation. The raceway and rolling body of cylindrical roller bearing have geometric shapes. After the improved design, the bearing capacity is higher. The new structure design of the roller end face and the roller end face not only improves the bearing axial bearing capacity, but also improves the lubrication condition of the roller end face and the contact area of the roller end face and the roller end face, and improves the bearing's performance. Cylindrical roller bearings Cylindrical roller bearings are separable bearings, which are very convenient for installation and disassembly. Cylindrical roller bearing can bear large radial load and is suitable for use in high-speed operation. The Angle error (inclination) between the axis of the inner ring and the axis of the outer ring is very small, only 2 '~ 4'. Therefore, the machining accuracy of the shaft and bearing pedestal is relatively high. Otherwise, uneven load or stress concentration is easy to occur at the contact part of raceway. However, the stress concentration can be reduced by modifying the roller or raceway contact bus. Cylindrical roller bearings can be divided into single row, double row and multi - row cylindrical roller bearings according to the number of rolling body. Different structure bearing is also shown in the design of the position of the edge. The commonly used cylindrical roller bearings have the following forms: Single row cylindrical roller bearings: Single row cylindrical roller bearings are detachable for easy installation and disassembly. Both rings can be fitted tightly. Modified contact line between roller and raceway can reduce stress concentration. Double row cylindrical roller bearings: double row cylindrical roller bearings are swimming bearings, and their separability makes it easy to install and remove. Both rings can be fitted tightly. Double row cylindrical roller bearings have almost no inclination Angle. Single bearing N, NU type N - type bearing has no outer ring and inner ring has two sides. Displacement of the shaft in both axial directions relative to the bearing housing may be permitted. The NU type bearing has two sides of outer ring, and no side of inner ring. Displacement of the shaft in both axial directions relative to the housing may also be allowed. Therefore, this type of structure is suitable for use as a moving end bearing. NJ, NF type NJ bearing outer ring on both sides of the side, the inner ring has a side. It can bear a certain amount of unidirectional axial load. NF - type outer ring has a wing on one side and an inner ring on both sides. It can also bear a certain amount of unidirectional axial load. Therefore, this kind of structure is suitable for axial positioning bearings with single direction. NUP, NFP The NUP type bearing has a side guard on both sides of the outer ring, a (fixed) single side guard on one side of the inner ring, and a separable flat stop ring on the other side. It can bear a certain amount of bidirectional axial load. One side of the outer ring of the NFP bearing is provided with a (fixed) single wing, while the other side is provided with a detachable flat wing, with wings on both sides of the inner ring. It can also bear a certain amount of bidirectional axial load. This type of bearing can limit the axial displacement of the shaft relative to the bearing seat. Therefore, it is suitable for use as fixed end bearing. NH (NJ+HJ) NH type bearing is the structure of NJ type bearing combined with HJ type inclined baffle ring. Because the NUP bearing has a shorter inner ring and the flat retainer ring is not fixed, it is inconvenient to use, while the NH bearing can take advantage of the width of the entire inner ring of the NJ bearing to keep a tighter fit with the shaft. Moreover, NH bearings are more convenient for installation and disassembly. NH bearings can l

Taper Roller Bearings

Taper Roller Bearings

Tapered roller bearings are separable bearings with tapered raceway in the inner and outer rings of the bearings. This type of bearing can be divided into single row, double row and four row tapered roller bearings according to the number of rollers loaded. Single row tapered roller bearing can bear radial load and single direction axial load. When the bearing bears the radial load, there will be an axial component, so another bearing that can bear the opposite axial force is needed for balance. Tapered roller bearings are radial thrust roller bearings with tapered rollers. There are two kinds of small cone Angle and big cone Angle. The small cone Angle mainly bears radial and axial combined loads, which are usually used in double, and installed in reverse. The inner and outer seat rings can be installed separately, and the radial and axial clearance can be adjusted during installation and use. The large cone Angle mainly bears the combined axial and radial loads, which are mainly axial loads. Generally, it is not used to bear pure axial loads alone. It can be used to bear pure radial loads when it is configured (with the same name). A single row tapered roller bearing has an outer ring with an inner ring and a set of tapered rollers with an inner ring assembly comprising a basket cage. The outer ring can be separated from the inner ring assembly. In accordance with the ISO standard for the dimensions of tapered roller bearings, the outer ring or inner ring assembly of any standard tapered roller bearing shall be interchangeable with the outer ring or inner ring assembly of the same type internationally. That is, the outer ring of the same type shall comply with ISO492 (GB307) in addition to the external dimension and tolerance, the cone Angle of the inner ring assembly, the cone diameter of the assembly, etc., must also comply with the relevant provisions of the exchange. Generally, the cone Angle of the outer ring raceway of single-row tapered roller bearings is between 10° and 19°, and they can withstand the combined action of axial and radial loads. The larger the cone Angle is, the greater the axial load bearing capacity is. Bearing with large taper Angle, rear code plus B, cone Angle between 25°~29°, it can bear larger axial load. In addition, single row tapered roller bearings can be installed to adjust the clearance size. The outer ring (or inner ring) of a double row tapered roller bearing is a whole. Two inner ring (or outer ring) small end face close, the middle of the diaphragm, clearance is adjusted by the thickness of the diaphragm, or the thickness of the diaphragm to adjust the pre-interference of double-row tapered roller bearing. The performance of this kind of bearing is basically the same as that of the double-row tapered roller bearing, but the radial load it bears is larger than that of the double-row tapered roller bearing, the limit speed is a little lower, it is mainly used for heavy machinery. We provide long life, multi - seal double, four row tapered roller bearings. The new personalized design of the bearing is carried out, the traditional design method of the fully sealed bearing is changed, and the new type of sealing structure combining sealing and dustproof is adopted to improve the sealing effect and improve the sealing performance. The service life of multi-seal double and four-row tapered roller bearings is increased by 20% ~ 40% compared with open-type bearings. Consumption of lubricants has been reduced by 80%. use Tapered roller bearings mainly bear radial combined load in diameter and axial direction. Bearing capacity depends on the raceway Angle of the outer ring, the greater the Angle, the greater the bearing capacity. This kind of bearing belongs to separate type bearing, which can be divided into single row, double row and four row tapered roller bearings according to the number of rolling body in the bearing. Clearance of single row tapered roller bearing shall be adjusted by the user during installation; The clearance of double-row and four-row tapered roller bearings has been given according to the customer's requirements when the product leaves the factory, and it does not need to be adjusted by the customer. Tapered roller bearings have a conical inner ring and an outer ring raceway, with tapered rollers arranged in between. All projection lines on the conical surface meet at the same point on the bearing axis. This design makes tapered roller bearings particularly suitable for bearing combined (radial and axial) loads. The axial load capacity of the bearing is mostly determined by the contact Angle a. The greater the alpha Angle, the higher the axial load capacity. The Angle is expressed by the calculation coefficient e; The larger the e value, the larger the contact Angle, the greater the applicability of bearing bearing axial load. Tapered roller bearings are usually separable, i.e., a tapered inner ring consisting of an inner ring of the roller and reta

Spherical Roller Bearings

Spherical Roller Bearings

Product characteristics The spherical roller bearing has two rows of spherical rollers, the outer ring has a common concave spherical raceway, the inner ring has two concave raceways tilted at an Angle with the bearing axis, and the curvature center of the outer ring raceways is consistent with the bearing center. Spherical roller bearings are self-aligning and are not affected by the misalignment between the shaft and the bearing box or by the deflection of the shaft deformation. The resulting concentricity errors can be compensated. In addition to bearing radial load, this type of bearing can also bear bidirectional axial load and its combined load, with large bearing capacity and good anti-vibration and anti-impact capability. Self-aligning roller bearings are mainly used in steel, mining, papermaking, shipping, textile machinery, coal mill, electric power and other industries of various mechanical equipment, is the most widely used in the mechanical industry. Product categories Spherical roller bearings can be divided into the following types: 1. Cylindrical hole self-aligning roller bearing Taper hole self-aligning roller bearing 3. Aligning roller bearing for vibrating screen 4. Split type self-aligning roller bearing Cylindrical bore self-aligning roller bearing It can be divided into TWO types, CA type and C type, according to whether the inner ring has a retaining bracket or not and the cage used. The CA type self-aligning roller bearing has two small retaining edges at both ends of the inner ring, and no retaining edges in the middle. The cage is a two-jaw integrated structure solid cage, which is generally made of copper or carbon steel. The structure bearing is of large and extra-large size and is widely used. The inner ring of c-type self-aligning roller bearing does not have large or small side gears, the roller is self-guided, the middle ring is the movable middle ring, and the cage is the steel plate press cage. The roller length of this structure bearing increases, the rated load increases, and it also has higher limit speed and lower friction loss. Taper bore self-aligning roller bearing It has the characteristics of cylindrical hole self-aligning roller bearing, but the inner hole is tapered hole, the conventional taper is 1:12, and its model is the basic model of bearing plus K; But the taper of the 240 and 241 series bearings is 1:30, and the model is the basic bearing model with K30 added after. Tapered bore bearings may be mounted directly on the tapered journal by nut or on the cylindrical shaft by means of a fixed or shirking sleeve. Aligning roller bearing for vibrating screen The new type of anti-vibration self-aligning roller bearing is a new structure bearing specially developed for the main engine of vibrating machinery, which is also suitable for general machinery equipment. Its performance: high bearing capacity, impact resistance, vibration resistance, low friction, low temperature rise, long service life. The outer dimension of the basic model is adopted, and the inner ring is provided with fixed middle edge, which can withstand axial force. The retainer adopts special structure type, the inside and outside diameter two-way guide, control the guide clearance and the channeling momentum between the retainer and the inside and outside ring, can prevent and reduce vibration. Aligning roller bearings for vibrating screen with rear code VB logo. Split type spherical roller bearing This type of bearing is mainly used in hard-to-reach bearing positions, or in cases where non-separated bearings are used, and where maintenance or replacement requires a lot of time and manpower and leads to expensive downtime. Such as a crankshaft or long shaft. We can provide different designs of split - centered roller bearings according to user requirements. In order to meet the installation requirements, this kind of bearing usually adopts split-type inner and outer rings, wide inner rings with clamping rings on both sides, which can play a complete set and match function well. Split-type self-aligning roller bearings are marked with post-code D Size range The basic dimensions of self-aligning roller bearings are listed in the bearing dimension data table. Inner diameter size range: 100mm ~ 800mm Outside diameter size range: 200mm ~ 1250mm Width size range: 60mm ~ 530mm The tolerance The precision of the self-aligning roller bearing products is P0 and P6, and for the products with special requirements of users, P5 can also be processed, and the tolerance is in line with GB307.1. Radial clearance Spherical roller bearings have C2, standard (CN), C3, C4 and C5 internal clearance, all in line with GB4604. For taper hole self-aligning roller bearing, C3 clearance is the standard clearance. Its numerical value applies to unmounted and unloaded bearings. Bearings greater than or less than the clearance standard value can also be produced according to customer requirements. The shake

Deep Groove Ball Bearings

Deep Groove Ball Bearings

Product characteristics A deep groove ball bearing consists of four basic components: an inner raceway (inner ring), an outer raceway (outer ring), a steel ball, and a cage. Under normal operation, the inner raceway, outer raceway and ball bear loads, while the cage ACTS as a separator and stabilizer for the ball. Single-row radial deep groove ball bearing structure is simple, inside and outside the circle is not separation, easy to use, such as precision instruments, low noise motors, automobiles, motorcycles, transmission shaft of woodworking machinery, textile machinery, mining machinery, electrical equipment, plastic machinery, office equipment, medical equipment, fitness, national defence, aviation, aerospace and sports equipment and general machinery, etc., is the most widely used type of bearings in machinery industry. Mainly used for bearing radial load, but also can bear a certain amount of axial load. When the radial clearance of the bearing is increased, it has the property of centripetal thrust bearing and can bear larger axial load. This type of bearing may limit axial movement in two directions. The inner and outer rings are allowed to tilt at a relative Angle of 8 '~16' according to the size of the clearance. Product categories Deep groove ball bearings can be roughly divided into the following structural types: 1. Single row deep groove ball bearing 2. Single row deep groove ball bearing with dust cover 3. Single row deep groove ball bearing with dustproof cover and sealing ring 4. Single row deep groove ball bearing with stop groove and stop ring on the outer ring Single row deep groove ball bearing Generally, this kind of bearing can be used in mounting, sealing and fitting parts without special requirements. Single row deep groove ball bearings with dust cover These bearings may be used under difficult lubrication and inspection conditions and under special conditions. There is a gap between the dust cover and the inner ring. Bearings with dust caps on both sides are manufactured with appropriate lubricants, so there is no need to clean and lubricate them during installation. In the work, do not add lubricant within the allowed lubrication period. Single row deep groove ball bearing with seal ring Sealing ring generally used steel frame rubber sealing ring. It is a contact seal compared to a deep groove ball bearing with a dust cover. Dust-proof and water-proof performance is better, but the friction resistance is a little bigger, rotational speed is limited to a certain extent. Single row deep groove ball bearings with a stop groove and a stop ring on the outer ring The use of a stop ring for axial positioning simplifies the installation in the housing. Size range The basic dimensions of deep groove ball bearings are listed in the dimension data table • Inner diameter size range: 100mm ~ 800mm • Outside diameter size range: 200mm ~ 1250mm • Width size range: 9mm ~ 300mm The tolerance The standard deep groove ball bearing has ordinary class, all in accordance with GB307.1. Radial clearance Standard deep groove ball bearing has C2, standard (CN), C3, C4 and C5 internal clearance, all in line with GB4604. The radial clearance value is shown in the table. The value is applicable to unmounted and unloaded bearings. Bearings with internal clearance greater than or less than the standard value can also be produced according to customer requirements. cage Deep groove ball bearings are generally made of steel plate stamping cage or brass solid cage. When the outside diameter is less than 400 mm, the steel plate stamping cage shall be used without the rear designation, and when the outside diameter is greater than 400 mm, the brass solid cage shall be used without the rear designation.

Yoke Type Track Roller Bearings

Yoke Type Track Roller Bearings

The outer ring of roller bearing is full loaded cylindrical roller bearing with thicker outer ring wall. The outer diameter surface of roller bearing has cylindrical shape and arc shape, which can be designed to match the raceway surface according to the use situation. With this outer ring, the roller can roll directly on the raceway, and can withstand heavier load and impact load. The bearing is of sealed structure and filled with grease, providing long-term effective lubrication, and the user can avoid lubrication. For bad working conditions can be designed to add grease channel, improve the service life of the bearing. Improper way can also cause roller bearing heating. Through lubrication can reduce the parts in the movement of wear, ensure the accuracy of the press, reduce energy consumption. Lubrication, such as thin oil lubrication, thick oil lubrication.

Angular Contact Ball Bearings

Angular Contact Ball Bearings

A single row angular contact ball bearing is composed of an outer ring, an inner ring, a row of steel balls and a cage. This kind of bearing can bear radial load and axial load at the same time, also can bear pure axial load, and can work at high speed. Single row angular contact ball bearings can only bear axial load in one direction. When subjected to radial loads, additional axial forces will be imposed and only axial displacement of the shaft and housing in one direction can be limited. Although this type of bearing can only withstand unidirectional axial loads, but can be combined with another bearing bearing in the opposite direction. If installed in pairs, the outer rings of a pair of bearings are opposite to each other with the same end face, with the wide end facing the wide end face (back to back DB) and the narrow end facing the narrow end face (face to face DF). In this way, additional axial forces can be avoided and the shaft or housing can be limited within the axial clearance range in both directions. Single row angular contact ball bearing loaded more ball than the same size deep groove ball bearing, so the rated load in the ball bearing is the largest, strong rigidity, smooth operation. The radial clearance can be adjusted by the displacement of inner and outer rings, and the preinterference can be caused by several sets of bearings in parallel to improve the rigidity of the system. Angular contact ball bearings are not separable, and their self-aligning ability is very limited. The characteristic of this type of bearing is that the contact Angle is not zero. The standard contact Angle of single-row angular contact ball bearing is 15°, 25°, 30° and 40°. The size of the contact Angle determines the radial force and axial force the bearing can bear. The larger the contact Angle is, the larger the axial load capacity is. But the smaller the contact Angle is, the more favorable it is for high-speed rotation. Single row angular contact ball bearings themselves do not have clearance. Only angular contact ball bearings after assembly have internal clearance. According to the requirements of working conditions, the combined bearing is divided into two ways: pre-load (pre-load) and pre-clearance (pre-clearance). The internal clearance of the supporting contact ball bearing in the pre-load group is 0 or negative. It is often used on machine tool spindle to improve spindle rigidity and rotation accuracy. The clearance (pre-load) of the ball bearing with diagonal contact has been adjusted before delivery without user adjustment. Common single row angular contact ball bearing main width tolerances and end surface protrusions are only produced according to ordinary grade, can not be randomly paired and combined. The production of universal supporting contact ball bearings can be used back-to-back, face to face or series in any way. Universal matching bearings are provided in two ways: pre-load (pre-load) and pre-clearance (pre-clearance). In addition to the universal matching bearing, the single bearing in other matching bearings does not have interchangeability. This kind of bearing is mainly used in high speed, high precision and small axial load. Examples include aircraft engine spindles, machine tool spindles, and other high-speed precision mechanical spindles. It is also used in high frequency motors, gas turbines, oil pumps, air compressors, printing machines, etc. It is the most widely used bearing in the mechanical industry. Product categories Angular contact ball bearings can be roughly divided into four types: Single row angular contact ball bearing 7000C, 7000AC, 7000A, 7000B Group of supporting players contact ball bearings Face to face (DB), back to back (DF), tandem (DT), triple Double row angular contact ball bearing Double raceway inner ring and two single raceway outer ring combination Double raceway outer ring and two single raceway inner ring combination Double raceway outer ring and double raceway inner ring combination Four point contact ball bearing QJ0000, QJF0000 Single row angular contact ball bearing and group supporting contact ball bearing In order to improve the rigidity and bearing capacity of angular contact ball bearings, angular contact ball bearings of the same specifications are often arranged in the ways of double (DB, DF, DT), triple (TBT, TFT, TT), quadruple (QBC, QFC, QT) or even five (PBC, PFC, PT, PBT, PFT). For double angular contact ball bearings, there are three matching modes: back-to-back (DB), face-to-face (DF), and series (DT). Back-to-back supporting contact ball bearings are designed to withstand single or combined radial and axial loads and can withstand bi-directional axial loads. It can bear large overturning moment and has strong rigidity. Different preloads can be applied according to the operating conditions. Angular contact ball bearings arranged face to face bear less overturning torque and provide lower system stiffness. Its advantage lies in its

Thrust Roller Bearings

Thrust Roller Bearings

Thrust roller bearing is used to bear the combined axial and radial load, but the radial load should not exceed 55% of the axial load. Compared with other thrust roller bearings, this kind of bearing has lower friction factor, higher speed and better centering performance. Product features Type 29000 bearing rollers for the asymmetric spherical roller, can reduce the roller and raceway in the work of the relative slide, and long, large diameter, the number of rollers, high load capacity, usually using oil lubrication, some low speed can be grease lubrication. In the design selection, should be preferred; Type 80000 thrust cylindrical roller bearing, type 90000 thrust tapered roller bearing and type AXK thrust needle roller bearing can bear unidirectional axial load, which is much larger than the axial load capacity of thrust ball bearing, and it is more rigid and occupies less axial space. Thrust cylindrical roller bearing and thrust tapered roller bearing are suitable for low speed occasions. The speed of thrust tapered roller bearing is slightly higher than that of thrust cylindrical roller bearing. Thrust cylindrical roller bearing is a separable bearing, which can only bear unidirectional axial load and slight impact, and can limit the axial displacement in one direction of the shaft (or housing), so it can be used for unidirectional axial positioning. But its bearing capacity is far greater than the thrust ball bearing. When the roller is rolling, the roller inevitably slides on the raceway of the ring due to the difference in linear velocity between the two ends of the roller. Therefore, the limit speed of this kind of bearing is lower than that of the thrust ball bearing, and it is usually only suitable for low-speed operation. Thrust cylindrical roller bearings of standard design are made of metal solid retainers made from vehicles. Retainers of other types or materials may also be used according to customer requirements. Thrust tapered roller bearing can only bear unidirectional axial load and can limit unidirectional axial displacement of the bearing, so it can be used for unidirectional axial positioning. Compared with thrust cylindrical roller bearing, the bearing capacity is large, the sliding is relatively small, but the limit speed is low. Thrust cylindrical roller bearings are mainly used in heavy-duty machine tools, high-power Marine gearboxes, oil RIGS, vertical motors and other machinery.

Thrust Ball Bearings

Thrust Ball Bearings

Thrust ball bearing is composed of shaft ring, seat ring, steel ball and retainer. The ring that matches the shaft is called shaft ring, and the ring that matches the shell is called seat ring. The mounting surface of the seat ring is spherical with self-aligning performance, which can reduce the influence of mounting error. Thrust ball bearing is mainly used to bear axial load, which can transfer large axial load, but cannot bear radial load.The bearings are mainly used in automobile steering mechanism, machine tool spindle and so on. Product categories Thrust ball bearings can be roughly divided into two types: 1. One-way thrust ball bearing 2. Two-way thrust ball bearing One-way thrust ball bearing Includes a shaft ring, a seat ring and a ball - cage assembly.Bearings can be separated, shaft ring, seat ring, steel ball - retainer assembly can be installed separately.There are three types: 1. Thrust ball bearing with plane seat ring 2. Thrust ball bearing with self-aligning seat ring 3. Thrust ball bearing with self-aligning seat ring and self-aligning seat washer Unidirectional thrust ball bearings are mainly used to bear unidirectional axial load and can be used for unidirectional axial positioning. Bidirectional thrust ball bearing Includes a shaft ring, two seat rings, a center shaft ring and a ball - retainer assembly.Bearings can be separated, shaft ring, seat ring, steel ball - retainer assembly can be installed separately.There are three types: 1. Thrust ball bearing with plane seat ring 2. Thrust ball bearing with self-aligning seat ring 3. Thrust ball bearing with self-aligning seat ring and self-aligning seat washer Bidirectional thrust ball bearing bearing can bear bidirectional axial load and make bidirectional axial positioning. Size range The basic dimensions of thrust ball bearings are listed in the table. Inner diameter size range: 100mm ~ 800mm Outside diameter size range: 200mm ~ 1250mm Width size range: 50mm ~ 160mm The tolerance The standard thrust ball bearing has normal grade, P6, P5, P4 precision grade, which meets the national standard. cage The cage is generally made of two kinds of structure, stamping frame and solid frame, and other cages can be used if there are special requirements. When bearing outer diameter D≤250mm, steel plate (belt) shall be used to press the cage, and the rear code of the cage shall not be marked. When bearing outer diameter D > 250mm, brass solid retainer shall be used, the retainer designation shall not be marked, and the corresponding retainer designation of other marks shall be used.

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Wafangdian Quanhua Bearing Manufacturing Co.,Ltd.

Tel：0411-85367788

Add：Yuan bao Industrial Zone B ,TaiYang wafangdian, P. R. China

Web：www.zqzbearing.cn

Email：sales@zqzbearing.cn

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