NSK FR4 Miniature bearing
Also known as : FR4BZZ
- Inside Diameter: 6.35 mm
 - Outside Diameter: 15.875 mm
 - Width: 4.978 mm
 - Basic dynamic load rating: 1.48 kN
 - Basic static load rating: 0.615 kN
 

NSK FR4
NSK FR4 details
| NSK number | FR4BZZ | 
|---|---|
| Type | Miniature ball bearings, Inch Design, With Flange, With Two Shielded | 
| d | 6.35 mm | 
| D | 15.875 mm | 
| D2 | 17.526 mm | 
| B1 | 4.978 mm | 
| C2 | 1.067 mm | 
| r1 min. | 0.3 mm | 
| Cr | 1480 N | 
| C0r | 615 N | 
| Limiting speeds | 38000 min-1 (Grease) | 
| db | 8.4 mm | 
| rb | 0.3 mm | 
| Mass | 4.78 g (approx.) | 
 
					NSK FR4 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



