Super Precision Bearings are designed to meet the requirements of demanding applications: high accuracy, high rotational speed and high rigidity.
Cross roller bearing: XR SERIES
Item |
Main dimensions (mm) |
|
|
|
Basic dynamic load rating |
|
Speed Limitied |
|
d |
D |
T |
r |
Radial |
Axial |
Oil |
XR496051 |
203.2 |
279.4 |
31.75 |
1.5 |
41000 |
49200 |
800 |
XR678052 |
330.2 |
457.2 |
63.5 |
3 |
80000 |
98400 |
620 |
XR766051 |
457.2 |
609.6 |
63.5 |
3 |
106000 |
133000 |
520 |
XR820060 |
580 |
760 |
80 |
5 |
106000 |
209000 |
300 |
XR855053 |
685.8 |
914.4 |
79.375 |
3 |
180000 |
224000 |
260 |
XR882055 |
901.7 |
1117.6 |
82.55 |
3 |
225000 |
297000 |
200 |
XR889058 |
1028.7 |
1327.15 |
114.3 |
3 |
283000 |
374000 |
160 |
XR897051 |
1549.4 |
1828.8 |
101.6 |
3 |
326000 |
489000 |
80 |
JXR637050 |
300 |
400 |
37 |
1.5 |
47200 |
60000 |
720 |
JXR652050 |
310 |
425 |
45 |
2.5 |
61600 |
76500 |
640 |
JXR699050 |
370 |
495 |
50 |
3 |
70200 |
89200 |
600 |
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