Timken K70X78X46ZW needle roller bearings
We Provide Extensive 300 Outer Diameter (mm) Timken K70X78X46ZW needle roller bearings Selection 495.3x300x141.288 Size (mm) And Competitive Wholesale Pricing.
| Size (mm) | 495.3x300x141.288 |
| Bore Diameter (mm) | 495,3 |
| Outer Diameter (mm) | 300 |
| Width (mm) | 141,288 |
| d | 300 mm |
| D | 495.3 mm |
| T | 141.288 mm |
| d1 | 393 mm |
| B | 141.288 mm |
| C | 114.3 mm |
| r1,2 – min. | 6.4 mm |
| r3,4 – min. | 6.4 mm |
| a | 106 mm |
| da – max. | 341 mm |
| db – min. | 332 mm |
| Da – min. | 425 mm |
| Da – max. | 463 mm |
| Db – min. | 468 mm |
| Ca – min. | 18 mm |
| Cb – min. | 26.5 mm |
| ra – max. | 6 mm |
| rb – max. | 6 mm |
| Basic dynamic load rating – C | 2330 kN |
| Basic static load rating – C0 | 4550 kN |
| Fatigue load limit – Pu | 355 kN |
| Reference speed | 850 r/min |
| Limiting speed | 1300 r/min |
| Calculation factor – e | 0.33 |
| Calculation factor – Y | 1.8 |
| Calculation factor – Y0 | 1 |
| Dimension series | HH 258000 |
| d1 ≈ | 393 mm |
| r1,2 min. | 6.4 mm |
| r3,4 min. | 6.4 mm |
| da max. | 341 mm |
| db min. | 332 mm |
| Da min. | 425 mm |
| Da max. | 463 mm |
| Db min. | 468 mm |
| Ca min. | 18 mm |
| Cb min. | 26.5 mm |
| ra max. | 6 mm |
| rb max. | 6 mm |
| Basic dynamic load rating C | 2330 kN |
| Basic static load rating C0 | 4550 kN |
| Fatigue load limit Pu | 355 kN |
| Calculation factor e | 0.33 |
| Calculation factor Y | 1.8 |
| Calculation factor Y0 | 1 |
| Mass bearing | 107 kg |
Detailed Parameters
parameter：
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