
Koyo 6338 deep groove ball bearing
Koyo 6338 deep groove ball bearing: bore d 190 mm, outside diameter D 400 mm, width 78 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 | 190 mm |
|---|---|
| Outside diameter D | 400 mm |
| Width | 78 mm |
| Basic dynamic load rating Cr | 443 kN |
| Basic static load rating C0r | 415 kN |
| Limiting speed, grease lubrication | 1500 min-1 |
| Limiting speed, oil lubrication | 1800 min-1 |
| Mass | 51.5 kg |
All specifications: Verifiedprinted in Koyo’s own catalogue
Same size, other makers and types (190 × 400 × 78 mm)
| Part | Manufacturer | Type |
|---|---|---|
| 7338 | Koyo | angular contact ball bearing |
| 7338B | Koyo | angular contact ball bearing |
| N338 | Koyo | cylindrical roller bearing |
| NF338 | Koyo | cylindrical roller bearing |
| NJ338 | Koyo | cylindrical roller bearing |
| NU338 | Koyo | cylindrical roller bearing |
| NUP338 | Koyo | cylindrical 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.
Documents
Documents open on the publisher's own site; we link them and never host a copy.