Toyana NJ2248 E cylindrical roller bearings
170 Million used 45 mm d Toyana NJ2248 E cylindrical roller bearings instantly searchable. Shop our large 68 mm D selection of parts based on brand, price, description, and location. Order 12 mm B the with stock …
| d | 45 mm |
| D | 68 mm |
| B | 12 mm |
| d1 | 52.7 mm |
| d2 | 51 mm |
| D1 | 60.3 mm |
| K | 0.5 mm |
| C1 | 3.75 mm |
| r1,2 min. | 0.6 mm |
| r3,4 min. | 0.3 mm |
| a | 14 mm |
| da min. | 48.2 mm |
| db min. | 47 mm |
| Da max. | 64.8 mm |
| Db max. | 66 mm |
| ra max. | 0.6 mm |
| rb max. | 0.3 mm |
| dn | 54.2 mm |
| Basic dynamic load rating C | 10.1 kN |
| Basic static load rating C0 | 6.95 kN |
| Fatigue load limit Pu | 0.29 kN |
| Attainable speed for grease lubrication | 34000 r/min |
| Attainable speed for oil-air lubrication | 52000 r/min |
| Ball diameter Dw | 6.35 mm |
| Number of balls z | 21 |
| Reference grease quantity Gref | 1.5 cm³ |
| Preload class A GA | 55 N |
| Static axial stiffness, preload class A | 37 N/µm |
| Preload class B GB | 166 N |
| Static axial stiffness, preload class B | 59 N/µm |
| Preload class C GC | 331 N |
| Static axial stiffness, preload class C | 81 N/µm |
| Calculation factor f | 1.09 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.05 |
| Calculation factor f2C | 1.09 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 8.4 |
| Mass bearing | 0.12 kg |
Detailed Parameters
parameter：
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