INA PAK1-1/4 bearing units
INA PAK1-1/4 bearing units with easy-to-use parts graphics, giving you 480x260x80 Size (mm) the ability to check parts availability, pricing, examine remanufactured options.
| Size (mm) | 480x260x80 |
| Bore Diameter (mm) | 480 |
| Outer Diameter (mm) | 260 |
| Width (mm) | 80 |
| d | 260 mm |
| D | 480 mm |
| B | 80 mm |
| d1 | 346 mm |
| d2 | 304 mm |
| D1 | 400 mm |
| a | 195 mm |
| r1,2 – min. | 5 mm |
| r3,4 – min. | 2 mm |
| da – min. | 280 mm |
| Da – max. | 460 mm |
| Db – max. | 469 mm |
| ra – max. | 4 mm |
| rb – max. | 2 mm |
| Basic dynamic load rating – C | 507 kN |
| Basic static load rating – C0 | 780 kN |
| Fatigue load limit – Pu | 17.3 kN |
| Reference speed | 1400 r/min |
| Limiting speed | 1500 r/min |
| Calculation factor – kr | 0.08 |
| Calculation factor – ka | 1.2 |
| Calculation factor – e | 1.14 |
| Calculation factor – X | 0.35 |
| Calculation factor – Y0 | 0.26 |
| Calculation factor – Y2 | 0.57 |
| d1 ≈ | 346 mm |
| d2 ≈ | 304 mm |
| D1 ≈ | 400 mm |
| r1,2 min. | 5 mm |
| r3,4 min. | 2 mm |
| da min. | 280 mm |
| Da max. | 460 mm |
| Db max. | 469 mm |
| ra max. | 4 mm |
| rb max. | 2 mm |
| Basic dynamic load rating C | 507 kN |
| Basic static load rating C0 | 780 kN |
| Fatigue load limit Pu | 17.3 kN |
| Calculation factor A | 7.5 |
| Calculation factor kr | 0.08 |
| Calculation factor e | 1.14 |
| Calculation factor X | 0.35 |
| Calculation factor Y0 | 0.26 |
| Calculation factor Y2 | 0.57 |
| Mass bearing | 66 kg |
Detailed Parameters
parameter：
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