Koyo 4308 deep groove ball bearing
Koyo 4308 deep groove ball bearing: bore d 40 mm, outside diameter D 90 mm, width 33 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 | 40 mm |
|---|---|
| Outside diameter D | 90 mm |
| Width | 33 mm |
| Basic dynamic load rating Cr | 57.5 kN |
| Basic static load rating C0r | 48.8 kN |
| Limiting speed, grease lubrication | 4600 min-1 |
| Limiting speed, oil lubrication | 6100 min-1 |
| Mass | 1.01 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (40 × 90 × 33 mm)
| Part | Manufacturer | Type |
|---|---|---|
| NJ2308 | Koyo | cylindrical roller bearing |
| NJ2308R | Koyo | cylindrical roller bearing |
| NU2308 | Koyo | cylindrical roller bearing |
| NU2308R | Koyo | cylindrical roller bearing |
| NUP2308 | Koyo | cylindrical roller bearing |
| NUP2308R | Koyo | cylindrical roller bearing |
| 2308 2RS | Koyo | self-aligning ball bearing |
| 2308 | Koyo | self-aligning ball bearing |
| 2308K | Koyo | self-aligning ball bearing |
| 22308RHR | Koyo | spherical roller bearing |
| 22308RHRK | Koyo | spherical 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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