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 |