Koyo 31321JR metric tapered roller bearing
Koyo 31321JR metric tapered roller bearing: bore d 105 mm, outside diameter D 225 mm, width 58 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 | 105 mm |
|---|---|
| Outside diameter D | 225 mm |
| Width | 58 mm |
| Basic dynamic load rating Cr | 495 kN |
| Basic static load rating C0r | 489 kN |
| Limiting speed, grease lubrication | 1500 min-1 |
| Limiting speed, oil lubrication | 2100 min-1 |
| Mass | 9.72 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (105 × 225 × 58 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 31321X | NTN | metric tapered roller 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.
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