Bearing 1321S NTN 1321S NTN bearing Size Chart (mm/inches) |
|---|
| Bearing number | 7212 CD/HCP4A |
| Size (mm) | 110x60x22 |
| Bore Diameter (mm) | 110 |
| Outer Diameter (mm) | 60 |
| Width (mm) | 22 |
| d | 60 mm |
| D | 110 mm |
| B | 22 mm |
| d1 | 76.4 mm |
| d2 | 76.4 mm |
| D1 | 93.6 mm |
| r1,2 - min. | 1.5 mm |
| r3,4 - min. | 0.6 mm |
| a | 22.5 mm |
| da - min. | 69 mm |
| db - min. | 69 mm |
| Da - max. | 101 mm |
| Db - max. | 105.8 mm |
| ra - max. | 1.5 mm |
| rb - max. | 0.6 mm |
| dn | 80.1 mm |
| Basic dynamic load rating - C | 57.2 kN |
| Basic static load rating - C0 | 46.5 kN |
| Fatigue load limit - Pu | 2 kN |
| Limiting speed for grease lubrication | 16000 r/min |
| Limiting speed for oil lubrication | 24000 mm/min |
| Ball - Dw | 14.288 mm |
| Ball - z | 16 |
| Gref | 10.08 cm3 |
| Calculation factor - f0 | 14.9 |
| Preload class A - GA | 215 N |
| Preload class B - GB | 430 N |
| Preload class C - GC | 860 N |
| Preload class D - GD | 1720 N |
| Calculation factor - f | 1.07 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.01 |
| Calculation factor - f2C | 1.03 |
| Calculation factor - f2D | 1.06 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 83 N/micron |
| Preload class B | 113 N/micron |
| Preload class C | 158 N/micron |
| Preload class D | 228 N/micron |
| d1 | 76.4 mm |
| d2 | 76.4 mm |
| D1 | 93.6 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 0.6 mm |
| da min. | 69 mm |
| db min. | 69 mm |
| Da max. | 101 mm |
| Db max. | 105.8 mm |
| ra max. | 1.5 mm |
| rb max. | 0.6 mm |
| dn | 80.1 mm |
| Basic dynamic load rating C | 57.2 kN |
| Basic static load rating C0 | 46.5 kN |
| Fatigue load limit Pu | 2 kN |
| Attainable speed for grease lubrication | 16000 r/min |
| Attainable speed for oil-air lubrication | 24000 r/min |
| Ball diameter Dw | 14.288 mm |
| Number of balls z | 16 |
| Reference grease quantity Gref | 10.08 cm³ |
| Preload class A GA | 215 N |
| Static axial stiffness, preload class A | 83 N/µm |
| Preload class B GB | 430 N |
| Static axial stiffness, preload class B | 113 N/µm |
| Preload class C GC | 860 N |
| Static axial stiffness, preload class C | 158 N/µm |
| Preload class D GD | 1720 N |
| Static axial stiffness, preload class D | 228 N/µm |
| Calculation factor f | 1.07 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.01 |
| Calculation factor f2C | 1.03 |
| Calculation factor f2D | 1.06 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 14.9 |
| Mass bearing | 0.69 kg |