4R5208 NTN ROLL NECK BEARINGS for ROLLING MILL
| Brand Name: | NTN |
| Model Number: | 4R5208 |
| Dimension series: | 11000 |
| d: | 41.275 mm |
| D: | 76.2 mm |
| T: | 18.009 mm |
| d1 ≈: | 58.2 mm |
| B: | 17.384 mm |
| C: | 14.288 mm |
| r1,2 min.: | 1.5 mm |
| PDF |
4R5208 |
Product Details
| Dimension series | 11000 |
| d | 41.275 mm |
| D | 76.2 mm |
| T | 18.009 mm |
| d1 ≈ | 58.2 mm |
| B | 17.384 mm |
| C | 14.288 mm |
| r1,2 min. | 1.5 mm |
| r3,4 min. | 1.5 mm |
| a | 16.987 mm |
| da max. | 50 mm |
| db min. | 49.5 mm |
| Da min. | 65 mm |
| Da max. | 68.5 mm |
| Db min. | 71 mm |
| Ca min. | 3 mm |
| Cb min. | 3.5 mm |
| ra max. | 1.5 mm |
| rb max. | 1.5 mm |
| Basic dynamic load rating C | 55.7 kN |
| Basic static load rating C0 | 56 kN |
| Fatigue load limit Pu | 6.1 kN |
| Reference speed | 7000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor e | 0.48 |
| Calculation factor Y | 1.25 |
| Calculation factor Y0 | 0.7 |
| Mass bearing | 0.34 kg |
