Koyo 7311B angular contact ball bearing
Koyo 7311B angular contact ball bearing: bore d 55 mm, outside diameter D 120 mm, width 29 mm.
Figure © Koyo, clipped unaltered from Koyo Ball & Roller Bearings catalog B2001E-6 — Standard Bearings section (B2001E-6b). It illustrates the product family printed there, which may include other sizes. Removed on request.
Specifications
| Bore d | 55 mm |
|---|---|
| Outside diameter D | 120 mm |
| Width | 29 mm |
| Limiting speed, grease lubrication | 5000 min-1 |
| Limiting speed, oil lubrication | 6700 min-1 |
| Mass | 1.45 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (55 × 120 × 29 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 6311LU | NTN | deep groove ball bearing |
| 6311LUC3 | NTN | deep groove ball bearing |
| 6311LUN | NTN | deep groove ball bearing |
| 6311LUNC3 | NTN | deep groove ball bearing |
| 6311ZN | NTN | deep groove ball bearing |
| 6311ZNC3 | NTN | deep groove ball bearing |
| N311 | Koyo | cylindrical roller bearing |
| NF311 | Koyo | cylindrical roller bearing |
| NJ311R | Koyo | cylindrical roller bearing |
| NU311R | Koyo | cylindrical roller bearing |
| NUP311R | Koyo | cylindrical roller bearing |
| 6311 2RS | Koyo | deep groove ball bearing |
These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting. 9 more share this size.
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