Spherical roller thrust bearings

Spherical roller thrust bearings

Spherical roller thrust bearings are also called axial spherical roller bearings. This type of bearing is suitable for carrying severe axial loads and high radial loads (up to 55% of the axial load) and also has high-speed adaptability; due to the contact geometry of the spherical rollers and the raceways, it has self-aligning performance.

  • The dynamic or static misalignment of the shaft relative to the housing, or the deflection of the shaft, is partially compensated by the spherical roller thrust bearing in the axial load.


  • Optimal Design of FV Spherical Roller Thrust Bearings

  • The raceway in the housing positioning washer has a curved shape

  • The spherical roller thrust bearing is part of the spherical roller thrust bearing group. These single-row, non-self-retaining rolling bearings consist of shaft-locating washers with raceways, shell-locating washers, and rolling elements. The cage guides a large number of asymmetric spherical rollers. Cage and roller assembly and shaft locating washer form a self-retaining unit. The raceway on the shaft washer is arranged obliquely along the direction of the bearing shaft, and the raceway on the housing locating washer is designed in a concave shape. This design allows the bearing to have essential characteristics required in many applications, such as angular adjustability.

  • Roller contact design

  • The stress distribution at the contact point between the roller and the raceway is determined by the contact surface of the roller. Therefore, the geometry of the rollers is matched to the raceway, which gives a favorable load distributed on the entire length of the roller, thereby avoiding edge stress concentrations.

  • Selection and design of cage

  • There are two types of cages according to different sizes and series. One is a stamped steel window cage, mostly used for bearings with a size of less than or equal to 68 with the suffix E logo; the other is a machined metal fork cage, mostly used for bearings marked with the suffix E for sizes 72 and above and for bearings without the suffix.

  • Advantages of spherical roller thrust bearings

  • Through optimized design, spherical roller thrust bearings have the following advantages:

  • More uniform load distribution allows this bearing to withstand higher dynamic loads,

  • Higher fatigue limit load,

  • Higher rotation accuracy,

  • Reduced friction and more energy-saving,

  • Bearings generate less heat during operation,

  • Higher possible operating speed,

  • The service life of the bearing is significantly extended.

  • Naming rules for spherical roller thrust bearings

  • spherical roller thrust bearings

  • Technical parameters of spherical roller thrust bearings


DesignationPrincipal dimensionsBasic load ratingsSpeed ratings
dynamicstaticReference speedLimiting speed
d[mm]D[mm]H[mm]C[kN]C0[kN][r/min][r/min]
  29412 E  60  130  42  390  915  2 800  5 000
  29413 E  65  140  45  455  1 080  2 600  4 800
  29414 E  70  150  48  520  1 250  2 400  4 300
  29415 E  75  160  51  600  1 430  2 400  4 000
  29416 E  80  170  54  670  1 630  2 200  3 800
  29317 E  85  150  39  380  1 060  2 400  4 000
  29417 E  85  180  58  735  1 800  2 000  3 600
  29318 E  90  155  39  400  1 080  2 400  4 000
  29418 E  90  190  60  815  2 000  1 900  3 400
  29320 E  100  170  42  465  1 290  2 200  3 600
  29420 E  100  210  67  980  2 500  1 700  3 000
  29322 E  110  190  48  610  1 730  1 900  3 200
  29422 E  110  230  73  1 180  3 000  1 600  2 800
  29324 E  120  210  54  765  2 120  1 700  2 800
  29424 E  120  250  78  1 370  3 450  1 500  2 600
  29326 E  130  225  58  865  2 500  1 600  2 600
  29426 E  130  270  85  1 560  4 050  1 300  2 400
  29328 E  140  240  60  980  2 850  1 500  2 600
  29428 E  140  280  85  1 630  4 300  1 300  2 400
  29230 E  150  215  39  408  1 600  1 800  2 800
  29330 E  150  250  60  1 000  2 850  1 500  2 400
  29430 E  150  300  90  1 860  5 100  1 200  2 200
  29332 E  160  270  67  1 180  3 450  1 300  2 200
  29432 E  160  320  95  2 080  5 600  1 100  2 000
  29334 E  170  280  67  1 200  3 550  1 300  2 200
  29434 E  170  340  103  2 360  6 550  1 100  1 900
  29236 E  180  250  42  495  2 040  1 600  2 600
  29336 E  180  300  73  1 430  4 300  1 200  2 000
  29436 E  180  360  109  2 600  7 350  1 000  1 800
  29338 E  190  320  78  1 630  4 750  1 100  1 900
  29438 E  7.48  14.961  4.528  640 705  1 798 472  950  1 700
  29240 E  7.874  11.024  1.89  147 475  595 744  1 400  2 200
  29340 E  7.874  13.386  3.346  418 145  1 236 449  1 000  1 700
  29440 E  7.874  15.748  4.803  719 389  2 023 280  850  1 600
  29244 E  8.661  11.811  1.89  155 118  674 427  1 300  2 200
  29344 E  8.661  14.173  3.346  449 618  1 416 296  1 000  1 700
  29444 E  8.661  16.535  4.803  753 110  2 169 406  850  1 500
  29248  9.449  13.386  2.362  179 622  775 591  1 100  1 800
  29348 E  9.449  14.961  3.346  458 610  1 472 499  1 000  1 600
  29448 E  9.449  17.323  4.803  764 350  2 293 051  850  1 500
  29252  10.236  14.173  2.362  183 669  820 553  1 100  1 700
  29352 E  10.236  16.535  3.74  573 263  1 865 914  850  1 400
  29452 E  10.236  18.898  5.197  910 476  2 900 035  750  1 300
  29256  11.024  14.961  2.362  194 010  899 236  1 000  1 700
  29356 E  11.024  17.323  3.74  573 263  1 944 597  850  1 400
  29456 E  11.024  20.472  5.709  1 101 564  3 439 577  670  1 200
  29260  11.811  16.535  2.874  240 546  1 079 083  900  1 400
  29360 E  11.811  18.898  4.291  696 908  2 382 975  750  1 200
  29460 E  11.811  21.26  5.709  1 124 045  3 731 828  670  1 200
  29264  12.598  17.323  2.874  249 538  1 146 526  850  1 400
  29364 E  12.598  19.685  4.291  753 110  2 517 860  750  1 200
  29464 E  12.598  22.835  6.102  1 281 411  4 271 370  600  1 100
  29268  13.386  18.11  2.874  254 034  1 213 968  850  1 300
  29368  13.386  21.26  4.803  609 232  2 472 898  600  1 100
  29468 E  13.386  24.409  6.693  1 506 220  5 035 720  560  1 000
  29272  14.173  19.685  3.346  328 221  1 528 701  750  1 200
  29372  14.173  22.047  4.803  620 473  2 607 784  600  1 100
  29472 EM  14.173  25.197  6.693  1 393 815  4 765 950  560  950
  29276  14.961  20.472  3.346  355 198  1 719 788  700  1 100
  29376  14.961  23.622  5.197  750 862  3 147 325  530  1 000
  29476 EM  14.961  26.378  6.89  1 528 701  5 395 415  530  900
  29280  15.748  21.26  3.346  361 942  1 798 472  700  1 100
  29380  15.748  24.409  5.197  775 591  3 282 211  530  950
  29480 EM  15.748  27.953  7.283  1 719 788  5 957 437  480  850
  29284  16.535  22.835  3.74  447 370  2 203 128  630  1 000
  29384  16.535  25.591  5.512  840 785  3 596 943  500  900
  29484 EM  16.535  28.74  7.283  1 753 510  6 182 246  480  850
  29288  17.323  23.622  3.74  465 355  2 338 013  630  1 000
  29388 EM  17.323  26.772  5.709  1 169 007  4 338 813  530  850
  29488 EM  17.323  30.709  8.11  2 023 280  7 193 886  430  750
  29292  18.11  24.409  3.74  465 355  2 382 975  600  950
  29392  18.11  27.953  5.906  968 927  4 271 370  450  800
  29492 EM  18.11  31.496  8.11  2 090 723  7 531 100  430  750
  29296  18.898  25.591  4.055  528 301  2 652 746  560  900
  29496 EM  18.898  33.465  8.819  2 146 925  8 767 549  340  670
  292/500  19.685  26.378  4.055  537 293  2 810 112  560  900
  293/500  19.685  29.528  5.906  1 009 392  4 586 102  430  800
  294/500 EM  19.685  34.252  8.819  2 106 460  8 992 358  340  670
  292/530 EM  20.866  27.953  4.291  699 156  3 439 577  530  850
  293/530 EM  20.866  31.496  6.299  1 319 628  5 957 437  400  750
  294/530 EM  20.866  36.22  9.291  2 360 494  9 891 593  320  630
  292/560  22.047  29.528  4.528  672 179  3 596 943  480  800
  294/560 EM  22.047  38.583  9.843  2 697 707  11 465 256  300  560
  292/600 EM  23.622  31.496  4.803  840 785  4 181 446  450  700
  294/600 EM  23.622  40.551  10.157  2 944 997  12 589 301  280  530
  292/630 EM  24.803  33.465  5.197  1 072 339  5 305 491  400  670
  293/630 EM  24.803  37.402  7.48  1 899 636  8 542 740  320  600
  294/630 EM  24.803  42.913  11.024  3 237 249  13 938 154  260  500
  294/670 EM  26.378  45.276  11.417  3 462 058  15 287 008  240  450
  293/710 EM  27.953  41.732  8.346  2 236 849  10 228 807  280  500
  294/710 EF  27.953  48.031  12.126  3 956 637  17 197 884  220  430
  294/750 EF  29.528  50.394  12.402  4 203 927  19 108 760  200  400
  292/800 EM  31.496  41.732  6.102  1 474 747  7 755 909  320  530
  293/800 EM  31.496  46.457  9.055  2 540 341  12 364 492  240  450
  294/800 EF  31.496  53.543  13.189  4 541 141  20 907 232  190  360
  294/850 EF  33.465  56.693  13.937  5 372 934  24 279 366  170  340
  294/900 EF  35.433  59.843  14.646  6 002 399  27 426 691  160  300
  294/950 EF  37.402  62.992  15.354  6 339 612  29 674 780  140  280
  294/1000 EF  39.37  65.748  15.827  6 991 558  31 473 252  130  260
  294/1060 EF  41.732  69.685  16.772  7 508 619  35 070 195  120  240


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