KOYO BEARING
| Bearing No. 1) |
Design |
da     max. |
Mounting dimensions
(mm) Da                       S        ra max.      min.     min.    max. |
rb     max. |
Constant
e |
Axial load factors
Y2Â Â Â Â Â Â Â Â Â Â Â Y3Â Â Â Â Â Â Â Â Â Â Â Y0 |
(Refer.)
Mass (kg) |
|||||
| 4TR620 | 1-P | 661 | 778 | 756 | 14 | 4 | 2 | 0.32 | 2.12 | 3.15 | 2.07 | 474 |
| 4TR630B | 1-P | 698 | 892 | 846 | 11.5 | 5 | 2.5 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 050 |
| 4TR635 | 1-P | 690 | 872 | 832 | 7 | 5 | 5 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 350 |
| M281049D/010/010XD | 1-P | 691 | 877 | 833 | 7 | 6.4 | 3.2 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 360 |
| LM281049D/10/10D | 1-P | 690 | 833 | 801 | 13 | 6.4 | 3.2 | 0.33 | 2.03 | 3.02 | 1.98 | 881 |
| M281349D/10/10D | 1-P | 703 | 891 | 844 | 12 | 6 | 3.6 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 430 |
| 47T130103 | 1-P | 749 | 986 | 925 | 10.5 | 10 | 6 | 0.32 | 2.12 | 3.15 | 2.07 | 1Â 850 |
| M281649D/610/610D | 1-P | 713 | 909 | 864 | 9.5 | 6.4 | 3.3 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 530 |
| 4TR660D | 1-P | 705 | 837 | 799 | 11.5 | 3 | 4 | 0.47 | 1.43 | 2.12 | 1.40 | 481 |
| 4TR660C
L281149D/110/110D |
2-P
1-P |
691
691 |
789
789 |
775
775 |
8
8 |
6.4
6.4 |
3.2
3.2 |
0.33
0.33 |
2.03Â 2.03 | 3.02Â 3.02 | 1.98Â 1.98 | 402
405 |
| 4TR670 | 1-P | 732 | 924 | 884 | 13 | 6 | 4 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 710 |
| 4TR676 | 1-P | 724 | 888 | 849 | 13.5 | 4 | 2 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 180 |
| LM281849D/810/810D | 1-P | 724 | 877 | 847 | 11.5 | 6.4 | 3.2 | 0.33 | 2.03 | 3.02 | 1.98 | 973 |
| 47T13608746 | 1-P | 710 | 852 | 820 | 9 | 3 | 2.5 | 0.50 | 1.34 | 2.00 | 1.32 | 677 |
| 4TR680B | 1-P | 743 | 946 | 896 | 9 | 6.4 | 3.2 | 0.33 | 2.03 | 3.02 | 1.98 | 1Â 790 |
| 4TR680C | 1-P | 771 | 992 | 934 | 14.5 | 5 | 2.5 | 0.32 | 2.12 | 3.15 | 2.07 | 1Â 650 |
| 4TR686A
4TR686D |
1-P
2-P |
734
734 |
852
852 |
824
823 |
11
11 |
6.4
6.4 |
3.2
3.2 |
0.42
0.42 |
1.62Â 1.62 | 2.42
2.42 |
1.59Â 1.59 | 554
555 |
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.
