4R4428 NTN Cylindrical Roller Bearing
We work closely with our 250 mm D 4R4428 NTN Cylindrical Roller Bearing manufacturing partners to NTK BEARING PRECISION AXLE CORP. bring the best value 223.5 mm D1 ≈ to customers.
| Brand Name: | NTN |
| Model Number: | 4R4428 |
| D: | 250 mm |
| D1 ≈: | 223.5 mm |
| Calculation factor kr: | 0.25 |
| da min.: | 190 mm |
| d1 ≈: | 206 mm |
| b1: | 7 mm |
| ra max.: | 2 mm |
| d: | 180 mm |
| PDF |
4R4428 |
Product Details
| D | 250 mm |
| D1 ≈ | 223.5 mm |
| Calculation factor kr | 0.25 |
| da min. | 190 mm |
| d1 ≈ | 206 mm |
| b1 | 7 mm |
| ra max. | 2 mm |
| d | 180 mm |
| Reference speed | 1100 r/min |
| Basic static load rating C0 | 1220 kN |
| Da max. | 240 mm |
| das | 198 mm |
| Basic dynamic load rating C | 594 kN |
| Fatigue load limit Pu | 127 kN |
| Limiting speed | 1400 r/min |
| r1,2 min. | 2 mm |
| Mass bearing | 10.8 kg |
| K | 4 mm |
| B | 69 mm |
