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 |