| Bearing number | 6301NR |
| Size (mm) | 12x37x12 |
| Bore Diameter (mm) | 12 |
| Outer Diameter (mm) | 37 |
| Width (mm) | 12 |
| d | 12 mm |
| D | 37 mm |
| B | 12 mm |
| C | 12 mm |
| a | 2,06 mm |
| b | 1,5 mm |
| f | 1,07 mm |
| r min. | 1 mm |
| r0 max. | 0,4 mm |
| r1 min. | 0,5 mm |
| D1 | 34,77 mm |
| D2 | 41,3 mm |
| da min. | 17 mm |
| Da max. | 32 mm |
| Weight | 0,06 Kg |
| Basic dynamic load rating (C) | 9,7 kN |
| Basic static load rating (C0) | 4,2 kN |
| (Grease) Lubrication Speed | 20000 r/min |
| (Oil) Lubrication Speed | 25000 r/min |
| Bearing No. | 6301NR |
| r(min) | 1 |
| r1(min) | 0.5 |
| Cr | 12.1 |
| C0r | 4.20 |
| Cu | 0.420 |
| f0 | 11.1 |
| Grease lub. | 20000 |
| Oil lub. | 25000 |
| D2(min) | 41.3 |
| f(�}0.05) | 1.07 |
| da(min) | 17 |
| Da(max) | 32 |
| Dx(min) | 42 |
| Cy(max) | 2.92 |
| ra(max) | 1 |
| rb(max) | 0.5 |
| (Refer.)Mass(kg) | 0.060 |
