Bearings by size
65×120×23 mmbearing
4 standard bearings share the 65×120×23 mm envelope (bore × outside diameter × width). They fit the same shaft and housing bore but are different bearing types.
| Designation | Type | Loads | Size |
|---|---|---|---|
| 6213 | Deep groove ball bearing | Radial and moderate axial in both directions | 65 × 120 × 23 mm |
| 1213 | Self-aligning ball bearing | Mainly radial; light axial | 65 × 120 × 23 mm |
| 7213 | Angular contact ball bearing | Combined radial and axial (one direction per bearing) | 65 × 120 × 23 mm |
| NU213 / NJ213 / NUP213 / N213 | Cylindrical roller bearing | High radial; NJ/NUP limited axial | 65 × 120 × 23 mm |
Same size is not the same bearing. These types carry loads in different directions, have different speed limits and may need different fits, preload or lubrication. Swapping one for another needs an engineering check, not just a matching size.
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