AST NJ410 M cylindrical roller bearings
100% Authentic. AST NJ410 M cylindrical roller bearings 68x45x40 Size (mm) Highest Quality. Certified Supplier.
| Size (mm) | 68x45x40 |
| Bore Diameter (mm) | 68 |
| Outer Diameter (mm) | 45 |
| Width (mm) | 40 |
| d | 45 mm |
| D | 68 mm |
| B | 40 mm |
| C | 25 mm |
| α | 4 ° |
| dk | 60 mm |
| d1 | 52 mm |
| b | 4.6 mm |
| b1 | 4.6 mm |
| M | 3 mm |
| r1 – min. | 0.6 mm |
| r2 – min. | 1 mm |
| da – min. | 49.6 mm |
| da – max. | 52 mm |
| Da – min. | 61 mm |
| Da – max. | 63.6 mm |
| ra – max. | 0.6 mm |
| rb – max. | 1 mm |
| Basic dynamic load rating – C | 127 kN |
| Basic static load rating – C0 | 640 kN |
| Specific factor dinamic load – K | 100 N/mm2 |
| Specific factor static load – K0 | 500 N/mm2 |
| Constant – KM | 330 |
| Lubricant | Regular relubrication – grease |
| Design (sliding contact surface combination) | Steel/steel |
| Sealing solution | Triple-lip seals |
| α | 4 ° |
| d1 ≈ | 52 mm |
| r1 min. | 0.6 mm |
| r2 min. | 1 mm |
| da min. | 49.6 mm |
| da max. | 52 mm |
| Da min. | 61 mm |
| Da max. | 63.6 mm |
| ra max. | 0.6 mm |
| rb max. | 1 mm |
| Basic dynamic load rating C | 127 kN |
| Basic static load rating C0 | 640 kN |
| Specific dynamic load factor K | 100 N/mm² |
| Specific static load factor K0 | 500 N/mm² |
| Material constant KM | 330 |
| Mass plain bearing | 0.49 kg |
Detailed Parameters
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