Thrust ball bearings

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Feature
Bearings of this type consist of the washers with raceway and the assembly of ball and cage. The washer that contacts the shaft is called shaft washer, and the one attached to the housing is called housing washer. Thrust bearings in double directions have a central washer connected to the shaft. Single-direction bearings can carry axial load in one direction, and double-direction bearings can carry axial load in two directions. The bearings with housing washer which has spherical mounting surface is self-alignable, which can reduce the effects of mounting error. Applications of these bearings can be found in steering mechanism of automobiles and machine tool spindles.
Thrust ball bearing Double direction ball bearing
Designations Principal dimensions(mm) Basic load ratings(kN) Other dimensions (mm) Speed ratings (rpm) Weight (kg)
d D H r12 dyc(Cr) stc(Cor) d1 D1 Grease Oil
51130M 150 190 31 1 90.0 371 188 152 1200 1700 2.19
51130 150 190 31 1 90.0 371 188 152 90 1700 1.96
51230M 150 215 50 1.5 202 651 212 153 900 1300 5.80
51230 150 215 50 1.5 202 651 212 153 900 1300 5.61
51330M 150 250 80 2.1 330 1021 245 154 670 900 17.0
51330 150 250 80 2.1 330 1021 245 154 670 900 17.0
51430M 150 300 120 4 518 1479 295 154 500 670 38.7
8730 150 200 35 2.1 126 460 200 150 1100 1600 3.15
51132M 160 200 31 1 93.0 399 198 162 1200 1700 2.38
51232M 160 225 51 1.5 205 392 222 163 850 1200 6.19
51232 160 225 51 1.5 205 392 222 163 850 1200 6.08
51332M 160 270 87 3 350 1097 265 164 630 850 18.8
51134M 170 215 34 1.1 101 443 213 172 1100 1600 2.99
51134 170 215 34 1.1 101 443 213 172 1100 1600 2.64
51234M 170 240 55 1.5 216 744 237 173 800 1100 7.65
51234 170 240 55 1.5 216 744 237 173 800 1100 7.33
51334M 170 280 87 3 363 1268 275 174 600 800 19.9
51336M 180 225 34 1.1 116 500 222 183 1000 1500 3.08
51136 180 225 34 1.1 116 500 222 183 1000 1500 2.86
51236M 180 250 56 1.5 227 825 247 183 800 1100 8.15
51236 180 250 56 1.5 227 825 247 183 800 1100 8.02
51336 180 300 95 3 396 1436 295 184 560 750 26.7
51138M 190 240 37 1.1 137 592 237 193 950 1400 4.02
51138 190 240 37 1.1 137 592 237 193 950 1400 3.62
51238M 190 270 62 2 275 1019 267 194 750 1000 11.7
51238 190 270 62 2 275 1019 267 194 750 1000 11.0
51338M 190 320 105 4 467 1662 315 195 700 800 33.5
51140M 200 250 37 1.1 141 636 247 203 950 1400 3.60
51240M 200 280 62 2 271 1029 277 204 750 1000 11.5
51240 200 280 62 2 271 1029 277 204 750 1000 10.9
51340M 200 340 110 4 508 1856 335 205 480 630 30.8
51144 220 270 37 1.1 143 682 267 223 900 1300 4.45
51244 220 300 63 2 282 1148 297 224 700 950 12.9
8244K 220 300 63 2 282 1148 297 224 700 950 12.2
708744 220 300 93.75 2 307 1304 300 220.5 650 900 19.8
8746 230 300 53.4 2.1 203 834 300 230 650 900 9.47
51148 240 300 45 1.5 199 927 297 243 800 1100 7.28
51248 240 340 78 2.1 349 1483 335 244 630 860 21.1
51348 240 380 112 4 533 2224 375 245 500 700 49.6
51948 340 340 70 2.5 321 1392 340 238 600 800 19.4
8948K 340 340 70 2.5 321 1392 340 238 600 800 18.8
51152 260 320 45 1.5 203 994 317 263 800 1100 7.56
51252 260 360 79 2.1 365 1651 355 264 560 750 23.3
8252K 260 360 79 2.1 365 1651 355 264 560 750 22.0
51156 280 350 53 1.5 259 1274 347 283 640 900 11.4
51256 280 380 80 2.1 379 1821 375 284 560 750 25.3
51160 300 380 62 2 320 1634 376 304 630 850 17.4
51260 300 420 95 3 453 2245 415 304 480 630 40.0
8760 300 435 104 3.7 568 2759 435 300.3 450 600 50.7
51164 320 400 63 2 328 1756 396 324 600 800 18.0
51168 340 420 64 2 323 1768 416 344 600 800 19.90
51268 340 460 96 3 465 2495 455 345 450 600 44.6
51368 340 540 160 5 863 4439 535 345 400 530 137
8770 350 476 85 3.7 486 2717 476 350.4 400 530 43.3
51172 360 440 65 2 331 1890 436 364 560 750 23.9
51272 360 500 110 4 610 3591 495 365 400 530 64.7
51292 460 620 130 5 688 4504 615 465 430 560 113
511/600 600 710 85 3 556 4445 705 604 380 500 64.9
31688/630 630 780 112 4 697 5515 760 650 320 430 118
511/670F3 670 800 105 4 683 5778 795 674 300 400 109
Designations Principal dimensions(mm) Basic load ratings(kN) Other dimensions (mm) Speed ratings (rpm) Weight
(kg)
d D H r12 r34 dyc(Cr) stc(Cor) d1 D1 Grease Oil
52236M 150 250 98 1.5 2 227.0 825 183 21 　 　 15.6
52236 150 250 98 1.5 2 227 825 183 21 520 800 14.3
52336M 150 300 165 3 2 396 1436 184 37 520 800 48.8
52238 160 270 109 2 2 275 1019 194 24 　 　 21.4
38238K 160 270 109 2 2 275 1019 194 24 　 　 20.90
52240 170 280 109 2 2 271 1029 204 24 　 　 22.1
38768 300 400 80 1.8 1.3 129 810 340 18 　 　 21.1
387/615 500 700 90 3 1.3 139 1073 615 20 　 　 53.7
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