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) |
||||||||||||||||
| 431.800 | 17.0000Â 17.0000
17.0000 17.0000 |
571.500Â 571.500Â 603.250
673.100 |
22.5000Â 22.5000
23.7500 26.5000 |
74.613Â 2.9375 76.200Â 3.0000 76.200Â 3.0000
88.900Â 3.5000 |
74.613Â 2.9375 73.025Â 2.8750 73.025Â 2.8750
87.833Â 3.4580 |
52.388Â 2.0625 57.150Â 2.2500 50.800Â 2.0000
60.325Â 2.3750 |
3.2
3.2 6.4 6.4 |
3.2
3.2 6.4 3.2 |
LM869448/LM869410
EE239170/239225A EE241701/242375 EE571703/572650 |
1
1 1 1 |
1
1 1 1 |
230
230 220 850 |
2
2 1 2 |
140
150 880 620 |
202
200 180 247 |
124.4Â 99.7Â 122.8
111.7 |
447
447 453 453 |
468
470 473 505 |
555
555 580 655 |
535
535 545 610 |
550
540 560 620 |
7
2 2 8 |
22.2Â 19.1Â 25.4
28.6 |
3.2Â 3.2Â 6.4
6.4 |
3.2Â 3.2Â 6.4
3.2 |
0.55
0.38 0.53 0.40 |
1.10Â 1.57Â 1.14
1.49 |
0.60
0.86 0.63 0.82 |
47.1
46.8 53.4 97.4 |
|
| 441.325 | 17.3750 | 660.400 | 26.0000 | 91.280Â 3.5937 | 85.725Â 3.3750 | 62.705Â 2.4687 | 10.4 | 6.4 | EE737173/737260 | 1 | 1 | 690 | 2 | 630 | 241 | 109.5 | 471 | 510 | 635 | 600 | 610 | 7 | 28.6 | 10.4 | 6.4 | 0.37 | 1.60 | 0.88 | 95.5 | |
| 447.675 | 17.6250Â 17.6250
17.6250 |
552.450Â 565.150Â 635.000 | 21.7500Â 22.2500
25.0000 |
44.450Â 1.7500 44.450Â 1.7500Â 120.650Â 4.7500 | 44.450Â 1.7500 44.450Â 1.7500Â 120.650Â 4.7500 | 31.750Â 1.2500 31.750Â 1.2500 95.250Â 3.7500 | 3.2
3.2 6.4 |
3.2
3.2 6.4 |
80176/80217
80176/80222 M270749/M270710 |
1
1 1-P |
2 |
798
798 870 |
1
1 5 |
520
520 250 |
147
147 458 |
72.4Â 72.4
113.8 |
463
463 469 |
481
481 495 |
535
550 610 |
525
525 585 |
530
530 600 |
10
10 8 |
12.7Â 12.7
25.4 |
3.2Â 3.2Â 6.4 | 3.2Â 3.2Â 6.4 | 0.32
0.32 0.33 |
1.88Â 1.88Â 1.80 | 1.04
1.04 0.99 |
21.0
23.8 118 |
|
| 450.850 | 17.7500 | 603.250 | 23.7500 | 85.725Â 3.3750 | 84.138Â 3.3125 | 60.325Â 2.3750 | 6.4 | 3.2 | LM770945/LM770910 | 1 | 1 | 730 | 3 | 170 | 290 | 116.0 | 472 | 493 | 585 | 565 | 580 | 10 | 25.4 | 6.4 | 3.2 | 0.45 | 1.32 | 0.73 | 63.4 | |
| 456.692 | 17.9800 | 660.400 | 26.0000 | 92.075Â 3.6250 | 91.262Â 3.5930 | 63.500Â 2.5000 | 6.4 | 6.4 | EE737179X/737262 | 1 | 1 | 690 | 2 | 630 | 241 | 110.3 | 478 | 510 | 635 | 600 | 610 | 6 | 28.6 | 6.4 | 6.4 | 0.37 | 1.60 | 0.88 | 90.5 | |
| 456.794 | 17.9840 | 761.873 | 29.9950 | 142.875Â 5.6250 | 142.875Â 5.6250 | 101.600Â 4.0000 | 16 | 6.4 | EE425179A/425299 | 1-P | 3 | 990 | 5 | 610 | 479 | 154.5 | 497 | 530 | 740 | 685 | 710 | 8 | 41.3 | 16 | 6.4 | 0.44 | 1.35 | 0.74 | 242 | |
| 457.200 | 18.0000Â 18.0000
18.0000 |
573.088Â 596.900Â 615.950 | 22.5625Â 23.5000
24.2500 |
74.613Â 2.9375 76.200Â 3.0000 85.725Â 3.3750 | 74.613Â 2.9375 73.025Â 2.8750 85.725Â 3.3750 | 57.150Â 2.2500 53.975Â 2.1250 66.675Â 2.6250 | 6.4
9.5 6.4 |
6.4
3.2 6.4 |
L570649/L570610
EE244180/244235 LM272235/LM272210 |
1
1 1 |
1
1 1 |
380
410 770 |
2
2 3 |
930
620 560 |
263
243 320 |
100.4Â 103.1Â 98.4 | 478
485 478 |
484
492 515 |
550
580 590 |
540
555 585 |
550
570 590 |
10
7 8 |
17.5Â 22.2
19.1 |
6.4Â 9.5Â 6.4 | 6.4Â 3.2Â 6.4 | 0.40
0.40 0.33 |
1.49Â 1.48Â 1.80 | 0.82
0.82 0.99 |
42.7
50.1 71.8 |
|
| 476.250 | 18.7500 | 565.150 | 22.2500 | 41.275Â 1.6250 | 41.275Â 1.6250 | 31.750Â 1.2500 | 3.2 | 3.2 | LL771948/LL771911 | 1 | 653 | 1 | 530 | 153 | 99.3 | 491 | 499 | 550 | 535 | 540 | 8 | 9.5 | 3.2 | 3.2 | 0.47 | 1.28 | 0.70 | 18.4 | ||
| 479.425 | 18.8750 | 679.450 | 26.7500 | 128.588Â 5.0625 | 128.588Â 5.0625 | 101.600Â 4.0000 | 6.4 | 6.4 | M272749/M272710 | 1-P | 3 | 100 | 5 | 550 | 476 | 122.2 | 500 | 530 | 655 | 630 | 645 | 7 | 27 | 6.4 | 6.4 | 0.33 | 1.80 | 0.99 | 140 | |
| 482.600 | 19.0000
19.0000 |
615.950Â 634.873 | 24.2500
24.9950 |
85.725Â 3.3750 80.963Â 3.1875 | 85.725Â 3.3750 80.963Â 3.1875 | 66.675Â 2.6250 63.500Â 2.5000 | 6.4
6.4 |
6.4
3.2 |
LM272249/LM272210
EE243190/243250 |
1
1 |
1
1 |
770
660 |
3
3 |
560
290 |
320
292 |
98.4Â 100.0 | 505
505 |
515
530 |
590
620 |
585
595 |
590
605 |
8
9 |
19.1Â 17.5 | 6.4Â 6.4 | 6.4Â 3.2 | 0.33
0.34 |
1.80Â 1.75 | 0.99
0.96 |
59.3
66.3 |
|
| 488.671 | 19.2390 | 660.400 | 26.0000 | 93.663Â 3.6875 | 94.458Â 3.7188 | 69.850Â 2.7500 | 6.4 | 6.4 | EE640191/640260 | 1-P | 2 | 260 | 3 | 960 | 357 | 98.4 | 510 | 530 | 635 | 615 | 630 | 11 | 23.8 | 6.4 | 6.4 | 0.31 | 1.95 | 1.07 | 86.9 | |
| 488.950 | 19.2500
19.2500 |
634.873Â 660.400 | 24.9950
26.0000 |
84.138Â 3.3125 93.663Â 3.6875 | 84.138Â 3.3125 94.458Â 3.7188 | 61.913Â 2.4375 69.850Â 2.7500 | 6.4
6.4 |
3.2
6.4 |
LM772748/LM772710
EE640192/640260 |
1
1-P |
1
2 |
800
260 |
3
3 |
420
960 |
307
357 |
124.5Â 98.4 | 510
510 |
515
530 |
620
635 |
595
615 |
610
630 |
9
11 |
22.2
23.8 |
6.4Â 6.4 | 3.2Â 6.4 | 0.47
0.31 |
1.27
1.95 |
0.70
1.07 |
63.7
86.8 |
|
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.
