NN4938 NTN Tapered Roller Bearing
NN4938 NTN Tapered Roller Bearing, Units and Housings CAD 205 mm B models , Tapered Roller Bearing Manufacturing NTK BEARING PRECISION AXLE CORP. 438 mm da max. Service . Get Your Free. 420 mm da min.
| Brand Name: |
NTN |
| Model Number: |
NN4938 |
| da max.: |
438 mm |
| da min.: |
420 mm |
| B: |
205 mm |
| Mass bearing: |
160 kg |
| Basic dynamic load rating C: |
3140 kN |
| rb max.: |
2 mm |
| Basic static load rating C0: |
7800 kN |
| r1,2 min.: |
2 mm |
| PDF |
NN4938 |
Product Details
| da max. |
438 mm |
| da min. |
420 mm |
| B |
205 mm |
| Mass bearing |
160 kg |
| Basic dynamic load rating C |
3140 kN |
| rb max. |
2 mm |
| Basic static load rating C0 |
7800 kN |
| r1,2 min. |
2 mm |
| Reference speed |
800 r/min |
| D |
560 mm |
| Calculation factor kr |
0.33 |
| r3,4 min. |
13.5 mm |
| db min. |
450 mm |
| F |
445 mm |
| Fatigue load limit Pu |
655 kN |
| α |
20 ° |
| Design variant/feature |
NNU.4/C4W33WI |
| D1 ≈ |
509 mm |
| s max. |
2.7 mm |
| Da max. |
550 mm |