KOYO BEARING
Boundary dimensions
d                           D                       T                     B                     C              r        r1    mm         1/25.4           mm       1/25.4         mm     1/25.4       mm     1/25.4        mm     1/25.4     min.   min. |
Bearing No. 1) |
De-   sign | Basic load ratings
(kN) Cr              C0r |
Fatigue   load limit
(kN) Cu |
Load
center (mm) a |
da min. |
db    max. |
Mounting dimensions
(mm) Da                       Db           Sa max.      min.       min.     min. |
Sb    min. |
ra     max. |
rb     max. |
Con-
stant e |
Axial load factors
Y1Â Â Â Â Â Â Â Â Â Â Â Â Y0 |
(Refer.)
Mass (kg) |
||||||||||||||||
285.750 | 11.2500 | 380.898 | 14.9960 | 65.088Â 2.5625 | 65.088Â 2.5625 | 49.213Â 1.9375 | 3.6 | 3.2 | LM654649/LM654610 | 1 | 831 | 1 | 410 | 143 | 75.9 | 299 | 307 | 368 | 356 | 370 | 7 | 15.9 | 3.6 | 3.2 | 0.43 | 1.39 | 0.77 | 18.9 | ||
288.925 | 11.3750 | 406.400 | 16.0000 | 77.788Â 3.0625 | 77.788Â 3.0625 | 60.325Â 2.3750 | 6.4 | 3.2 | M255449/M255410 | 1 | 1 | 260 | 2 | 210 | 223 | 73.2 | 308 | 318 | 394 | 373 | 387 | 8 | 17.5 | 6.4 | 3.2 | 0.34 | 1.77 | 0.98 | 30.9 | |
292.100 | 11.5000 | 374.650 | 14.7500 | 47.625Â 1.8750 | 47.625Â 1.8750 | 34.925Â 1.3750 | 3.6 | 3.2 | L555249/L555210 | 1 | 587 | 971 | 111 | 64.7 | 306 | 309 | 362 | 351 | 360 | 8 | 12.7 | 3.6 | 3.2 | 0.40 | 1.49 | 0.82 | 11.5 | |||
298.450 | 11.7500 | 444.500 | 17.5000 | 63.500Â 2.5000 | 61.913Â 2.4375 | 39.688Â 1.5625 | 7.9 | 1.6 | EE291175/291750 | 1 | 902 | 1 | 380 | 144 | 70.0 | 321 | 346 | 435 | 403 | 413 | 11 | 23.8 | 7.9 | 1.6 | 0.38 | 1.59 | 0.87 | 30.4 | ||
300 | —
— |
420
460 |
— | 76          —
100          — |
76          —
100          — |
57          —    74          — | 4
5 |
3
4 |
32960JR
32060JR |
1
1 |
1
1 |
320
800 |
2
2 |
210
660 |
223
263 |
79.9Â 97.9 | 318
322 |
324
329 |
406
442 |
383
404 |
405
439 |
12
15 |
19
26 |
3
4 |
2.5Â 3 | 0.39
0.43 |
1.52Â 1.38 | 0.84
0.76 |
32.4
57.5 |
|
300.038 | 11.8125 | 422.275 | 16.6250 | 82.550Â 3.2500 | 82.550Â 3.2500 | 63.500Â 2.5000 | 6.4 | 3.2 | HM256849/HM256810 | 1 | 1 | 240 | 2 | 010 | 204 | 76.4 | 320 | 328 | 408 | 388 | 402 | 7 | 19.1 | 6.4 | 3.2 | 0.34 | 1.78 | 0.98 | 33.6 | |
304.800 | 12.0000Â 12.0000
12.0000 12.0000 |
393.700Â 406.400Â 444.500
495.300 |
15.5000Â 16.0000
17.5000 19.5000 |
50.800Â 2.0000 63.500Â 2.5000 63.500Â 2.5000
95.250Â 3.7500 |
50.800Â 2.0000 63.500Â 2.5000 61.913Â 2.4375
92.075Â 3.6250 |
38.100Â 1.5000 47.625Â 1.8750 39.688Â 1.5625
69.850Â 2.7500 |
6.4Â 6.4Â 7.9
16 |
3.2
3.2 1.6 6.4 |
L357049/L357010
LM757049/LM757010 EE291201/291750 EE724120/724195 |
1
1 1 1 |
1 |
658
935 902 600 |
1
1 1 2 |
180
580 380 340 |
133
159 144 231 |
64.8Â 79.6Â 70.0
95.2 |
325
325 328 344 |
329
324 346 359 |
380
393 434 475 |
369
376 403 438 |
378
390 413 457 |
5
8 11 6 |
12.7Â 15.9Â 23.8
25.4 |
6.4Â 6.4Â 7.9
16 |
3.2Â 3.2Â 1.6
6.4 |
0.36
0.44 0.38 0.40 |
1.67Â 1.36Â 1.59
1.49 |
0.92
0.75 0.87 0.82 |
14.6
21.2 29.0 64.8 |
|
317.500 | 12.5000Â 12.5000
12.5000 |
444.500Â 447.675Â 622.300 | 17.5000Â 17.6250
24.5000 |
63.500Â 2.5000 85.725Â 3.3750Â 147.638Â 5.8125 | 61.913Â 2.4375 85.725Â 3.3750Â 131.763Â 5.1875 | 39.688Â 1.5625 68.263Â 2.6875 82.550Â 3.2500 | 7.9Â 3.6Â 14.3 | 1.6
3.2 12.7 |
EE291250/291750
HM259049/HM259010 H961649/H961610 |
1
1 1-P |
1 2 |
902
400 790 |
1
2 3 |
380
390 490 |
144
233 316 |
70.0Â 80.8Â 210.5 | 341
332 354 |
346
346 390 |
434
434 585 |
403
410 530 |
413
427 580 |
11
8 7 |
23.8Â 17.5Â 65.1 | 7.9Â 3.6Â 14.3 | 1.6Â 3.2Â 12.7 | 0.38
0.33 0.94 |
1.59Â 1.79Â 0.64 | 0.87
0.99 0.35 |
26.0
40.2 179 |
|
320 | —
— |
440
480 |
— | 76          —
100          — |
76          —
100          — |
57          —    74          — | 4
5 |
3
4 |
32964JR
32064JR |
1
1 |
1
1 |
330
900 |
2
2 |
270
810 |
226
273 |
85.0Â 103.0 | 338
342 |
342
344 |
426
462 |
401
418 |
426
461 |
12
16 |
19
26 |
3
4 |
2.5Â 3 | 0.42
0.46 |
1.44
1.31 |
0.79
0.72 |
34.0
58.7 |
|
323.850 | 12.7500 | 381.000 | 15.0000 | 28.575Â 1.1250 | 28.575Â 1.1250 | 20.638Â 0.8125 | 3.6 | 3.3 | LL758744/LL758715 | 1 | 275 | 570 | 62.5 | 64.8 | 339 | 340 | 367 | 363 | 369 | 5 | 7.9 | 3.6 | 3.3 | 0.44 | 1.36 | 0.75 | 5.15 | |||
330.200 | 13.0000 | 415.925 | 16.3750 | 47.625Â 1.8750 | 47.625Â 1.8750 | 34.925Â 1.3750 | 3.6 | 3.2 | L860049/L860010 | 1 | 568 | 1 | 080 | 119 | 82.8 | 345 | 351 | 402 | 389 | 401 | 6 | 12.7 | 3.6 | 3.2 | 0.50 | 1.20 | 0.66 | 13.8 | ||
333.375 | 13.1250 | 469.900 | 18.5000 | 90.488Â 3.5625 | 90.488Â 3.5625 | 71.438Â 2.8125 | 6.4 | 3.2 | HM261049/HM261010 | 1 | 1 | 520 | 2 | 580 | 249 | 84.3 | 354 | 365 | 456 | 430 | 446 | 8 | 19.1 | 6.4 | 3.2 | 0.33 | 1.79 | 0.99 | 46.2 | |
340 | — | 460 | 76          — | 76          — | 57          — | 4 | 3 | 32968JR | 1 | 1 | 340 | 2 | 340 | 229 | 90.5 | 358 | 361 | 446 | 420 | 446 | 12 | 19 | 3 | 2.5 | 0.44 | 1.37 | 0.75 | 35.6 |
CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.
Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.
Contact us if any bearing in demand . we will check and revert ASAP.