NSK MR1310EB Roller Bearings
| Bearing number: | 71912 CB/HCP4A |
| Size (mm): | 85x60x13 |
| Bore Diameter (mm): | 85 |
| Outer Diameter (mm): | 60 |
| Width (mm): | 13 |
| d: | 60 mm |
| D: | 85 mm |
| B: | 13 mm |
Product Details
| Bearing number | 71912 CB/HCP4A |
| Size (mm) | 85x60x13 |
| Bore Diameter (mm) | 85 |
| Outer Diameter (mm) | 60 |
| Width (mm) | 13 |
| d | 60 mm |
| D | 85 mm |
| B | 13 mm |
| d1 | 68.94 mm |
| d2 | 67.73 mm |
| D2 | 78.36 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 0.3 mm |
| a | 19.5 mm |
| da - min. | 64.6 mm |
| db - min. | 64.6 mm |
| Da - max. | 80.4 mm |
| Db - max. | 83 mm |
| ra - max. | 1 mm |
| rb - max. | 0.3 mm |
| dn | 69.8 mm |
| Basic dynamic load rating - C | 10.4 kN |
| Basic static load rating - C0 | 8.8 kN |
| Fatigue load limit - Pu | 0.375 kN |
| Limiting speed for grease lubrication | 26000 r/min |
| Limiting speed for oil lubrication | 40000 mm/min |
| Ball - Dw | 5.556 mm |
| Ball - z | 30 |
| Gref | 2.77 cm3 |
| Calculation factor - f0 | 9.8 |
| Preload class A - GA | 34 N |
| Preload class B - GB | 68 N |
| Preload class C - GC | 205 N |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.03 |
| Calculation factor - f2C | 1.08 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 40 N/micron |
| Preload class B | 53 N/micron |
| Preload class C | 85 N/micron |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| da min. | 64.6 mm |
| db min. | 64.6 mm |
| Da max. | 80.4 mm |
| Db max. | 83 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| Basic dynamic load rating C | 14 kN |
| Basic static load rating C0 | 14.6 kN |
| Fatigue load limit Pu | 0.375 kN |
| Attainable speed for grease lubrication | 26000 r/min |
| Attainable speed for oil-air lubrication | 40000 r/min |
| Ball diameter Dw | 5.556 mm |
| Number of balls z | 30 |
| Reference grease quantity Gref | 2.77 cm³ |
| Preload class A GA | 34 N |
| Static axial stiffness, preload class A | 40 N/µm |
| Preload class B GB | 68 N |
| Static axial stiffness, preload class B | 53 N/µm |
| Preload class C GC | 205 N |
| Static axial stiffness, preload class C | 85 N/µm |
| Calculation factor f | 1.11 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.03 |
| Calculation factor f2C | 1.08 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 9.8 |
| Mass bearing | 0.18 kg |
