INA NK45/20-TV needle roller bearings
High Quality INA NK45/20-TV needle roller bearings. 750x560x85 Size (mm) Competitive Pricing. Accept Small Order. Easy and Fast Shipping. 560 Outer Diameter (mm)
| Size (mm) | 750x560x85 |
| Bore Diameter (mm) | 750 |
| Outer Diameter (mm) | 560 |
| Width (mm) | 85 |
| d | 560 mm |
| D | 750 mm |
| B | 85 mm |
| d1 | 622.6 mm |
| D1 | 690.6 mm |
| a | 232 mm |
| r1,2 – min. | 5 mm |
| r3,4 – min. | 2 mm |
| da – min. | 578 mm |
| Da – max. | 732 mm |
| Db – max. | 741 mm |
| ra – max. | 4 mm |
| rb – max. | 2 mm |
| Basic dynamic load rating – C | 592 kN |
| Basic static load rating – C0 | 1290 kN |
| Fatigue load limit – Pu | 22.8 kN |
| Reference speed | 800 r/min |
| Limiting speed | 850 r/min |
| Calculation factor – kr | 0.083 |
| Calculation factor – ka | 0.4 |
| Calculation factor – e | 0.8 |
| Calculation factor – X | 0.39 |
| Calculation factor – Y0 | 0.33 |
| Calculation factor – Y1 | 0.78 |
| Calculation factor – Y2 | 0.76 |
| d1 ≈ | 622.6 mm |
| D1 ≈ | 690.6 mm |
| r1,2 min. | 5 mm |
| r3,4 min. | 2 mm |
| da min. | 578 mm |
| Da max. | 732 mm |
| Db max. | 741 mm |
| ra max. | 4 mm |
| rb max. | 2 mm |
| Basic dynamic load rating C | 592 kN |
| Basic static load rating C0 | 1290 kN |
| Fatigue load limit Pu | 22.8 kN |
| Calculation factor A | 14.2 |
| Calculation factor kr | 0.083 |
| Calculation factor e | 0.8 |
| Calculation factor X | 0.63 |
| Calculation factor Y0 | 0.66 |
| Calculation factor Y2 | 1.24 |
| Calculation factor Y1 | 0.78 |
| Mass bearing | 105 kg |
Detailed Parameters
parameter：
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