
Koyo 31324JR metric tapered roller bearing
Koyo 31324JR metric tapered roller bearing: bore d 120 mm, outside diameter D 260 mm, width 68 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 | 120 mm |
|---|---|
| Outside diameter D | 260 mm |
| Width | 68 mm |
| Basic dynamic load rating Cr | 657 kN |
| Basic static load rating C0r | 665 kN |
| Limiting speed, grease lubrication | 1300 min-1 |
| Limiting speed, oil lubrication | 1800 min-1 |
| Mass | 15.4 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (120 × 260 × 68 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 31324X | NTN | metric tapered roller bearing |
| 31324XUS30-W1ND | 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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