QJ1040 four-point contact ball bearings 200x310x51mm. Same to QJ1042N2.
| Boundary dimensions(mm) |
Basic load rating (kN) |
Speed rating |
Designation |
| (rpm) |
| d |
D |
B |
rmin |
Cr |
Cor |
Grease |
Oil |
| 200 |
310 |
51 |
2.1 |
305 |
475 |
1000 |
1400 |
QJ1040 |
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