Tapered Roller Thrust Bearing

Applications

  1. Automotive Transmissions & Differentials – Ensures smooth power transmission and handles thrust loads.

  2. Construction & Mining Equipment – Used in heavy-duty machinery like excavators and crushers.

  3. Steel & Rolling Mills – Supports high axial loads in rolling mills and gear drives.

  4. Marine Propulsion Systems – Helps manage thrust loads in ship propellers and turbines.

  5. Railway Axle Systems – Ensures stability and durability in locomotive axle arrangements.

  6. Oil & Gas Drilling Rigs – Supports drill heads and other high-load rotating components.

  7. Industrial Gearboxes – Used in planetary and helical gear systems to manage thrust loads.

Benefits

  1. High Load-Carrying Capacity – Can withstand heavy axial loads while handling some radial loads.

  2. Durability & Longevity – Made from high-strength materials for extreme conditions.

  3. High Precision & Efficiency – Ensures smooth operation in high-speed applications.

  4. Compact & Space-Saving Design – Suitable for applications where space is limited.

  5. Reduced Friction & Heat Generation – Enhances efficiency and reduces wear.

  6. Reliable Performance in High-Impact Environments – Handles shock loads effectively.

A tapered roller thrust bearing is a specific type of rolling element bearing designed to handle axial loads in one direction. It consists of small tapered rollers arranged in a cage between two raceways. This design allows the bearing to support high axial loads while also accommodating some radial loads. Tapered roller thrust bearings are commonly used in applications where heavy axial loads need to be supported efficiently.

taper roller thrust bearing 800-EGI Bearings
                                     taper roller thrust bearing 800-EGI Bearings

 

drawing of tapered roller thrust bearing
drawing of tapered roller thrust bearing
DimentionsNew DesignationOld DesignationMassFAG Designation
dD     D1    T         T1   d1        R        M   rminKgs
10010098373287250M81.5TTSX1004397/100
1201201184538105300M101.5TTSX1204397/12016353.3
1501501485547127457M121.6TTSX1504397/15023256.353662
1501485547127550M121.6TTSX150K4397/150K23256.3
15014848127228.6M121.6TTSV1504297/15023255.7
1751751736253152457M121.6TTSX1754397/17532239.653777
1751736253152550M121.6TTSX175K4397/175K32239.754353
17517353152228.6M121.6TTSV1754297/17532238.5
20320320175.665178508M121.6TTSX2034397/203450016353108A
2032017665.4170.8508M121.6TTSX203K4397/203K450016.2
2032018565170250M121.6TTSX203K14397/203K1450017
20320165178254M121.6TTSV2034297/205/HC458410.253671
2052052037665178508M121.6TTSX2054397/205/HC458516.2
20520365178254M201.6TTSV2054297/205/HC458514.3
2352352338573208560M202TTSX2354397/235602823.7
23523373208280M202TTSV2354297/235
2652652639581229609M202.1TTSX2654397/265/HC775333.9353038A 52297
26526381229304.8M202.4TTSV2654297/26552408
32032031811295280762M202.4TTSX3204397/3201150058.9 

353065B 52546

320318122.795280470M202.4TTSX320K4397/320K1150062.1
320318118.595280550M202.4TTSX320K14397/320K1
32031895280381M202.4TTSV3204297/3201150051
330330   328    95280381M202.4TTSV330K4297/330K1150051.4
377377   375    129

377   375    129

377    375   112

112

112

330

330

330

914

930

457.2

M24 M24 M242.4

2.4

2.4

TTSX377 TTSX377K TTSV3774397/377

4397/377K

4297/377

 

16044

 

94.7

353107A
380380   378    129

380    378   112

112330

330

914.4

457.2

M24 M24M30 M302.4

2.4

TTSX380 TTSV3804397/380

4297/380

410410   408    142

410   408    122

122355

355

1060

508

M24 M24M30 M303

3

TTSX410 TTSV4104397/410

4297/410

353058B
440440   438    152

440   438    130

130380

380

1016

508

M24 M24M36 M363

3

TTSX440 TTSV4404397/440

4297/440

 

23330

 

137

495495   492    172

495   492    146

146432

432

1066.8

558.8

M24 M24M36 M363

3

TTSX495 TTSV4954397/495

4297/495

353024B
525525   522    180

525   522    155

155460

460

1270

635

M24 M24M36 M363

3

TTSX525 TTSV5254397/525

4297/525

36202266353020A
555555   552    192

555   552    165

165482

482

1270

635

M24 M24M36 M363

3

TTSX555 TTSV5554397/555

4297/555

616674
580580   577    165510710M24M423TTSV5804297/58041560300.6
581581.025 578.663 193.777168.2755081422.4M24M423.2THR581XY38984338353124A
610610   607    205

610   607    178

1785331524

762

M30 M30M42 M423

3

TTSX610 TTSV6104397/610

4297/610

353093A
640640   637    214.5

640   637    185

185550

550

1520

762

M30 M30M42 M423

3

TTSX640 TTSV6404397/640/HC

4297/640

48560

49200

454

418

BFSD353134
710710   705    250

710   705    250

210

205

610

610

1600

1400

M30 M30M42 M424

4

TTSX710 TTSX710K4397/710

4397/710K

 

62703

 

647

750750   745    2602256501600M30M424TTSX7504397/750/HA/A163900747
800800   795    2702457001700M30M485TTSX8004937/800
900900   896    2802367501800M36M486TTSX9004937/900/HC94000115097350

 

One key advantage of tapered roller thrust bearings is their ability to handle both thrust and radial loads. This makes them versatile in various applications, such as automotive transmissions, gearboxes, and construction equipment. The tapered design of the rollers also helps distribute the load more evenly, leading to improved performance and longevity of the bearing.

Design and Construction

The design of a tapered roller thrust bearing typically includes a series of tapered rollers, a cage to hold the rollers in place, and two raceways – one on the shaft and one in the housing. The angle of the tapered rollers is carefully calculated to ensure optimal load distribution and efficiency. Additionally, the cage helps maintain proper roller alignment and spacing, preventing friction and wear.

The construction of tapered roller thrust bearings often involves high-quality materials such as chrome steel or stainless steel to ensure durability and reliability. These bearings may come in various sizes and configurations to suit different load requirements and operating conditions. Proper installation and maintenance are crucial to maximize the performance and service life of tapered roller thrust bearings.