NSK R4 Miniature bearing
Also known as : R4B
- Inside Diameter: 6.35 mm
- Outside Diameter: 15.875 mm
- Width: 4.978 mm
- Basic dynamic load rating: 1.61 kN
- Basic static load rating: 0.66 kN
NSK R4
NSK R4 details
| NSK number | R4B |
|---|---|
| Type | Miniature ball bearings, Inch Design, Open Type |
| d | 6.35 mm |
| D | 15.875 mm |
| B | 4.978 mm |
| rmin. | 0.3 mm |
| Cr | 1610 N |
| C0r | 660 N |
| Limiting speeds | 38000 min-1 (Grease) |
| Limiting speeds | 45000 min-1 (Oil) |
| da | 8.4 mm |
| Da | 13.8 mm |
| ra | 0.3 mm |
| Mass | 4.5 g (approx.) |
NSK R4 bearing cross reference
FR1810
6.35 mmx 15.875 mmx 4.978 mm
FR4
6.35 mmx 15.875 mmx 4.978 mm
FR188
6.35 mmx 15.875 mmx 4.978 mm
FR168
6.35 mmx 15.875 mmx 4.978 mm
FR3
6.35 mmx 15.875 mmx 4.978 mm
FR166
6.35 mmx 15.875 mmx 4.978 mm
FR156
6.35 mmx 15.875 mmx 4.978 mm
FR155
6.35 mmx 15.875 mmx 4.978 mm
FR4
6.35 mmx 15.875 mmx 4.978 mm
FR3ZZ
6.35 mmx 15.875 mmx 4.978 mm
FR155ZZS
6.35 mmx 15.875 mmx 4.978 mm
