240 mm x 320 mm x 80 mm NSK NA4948 needle roller bearings
Question240 mm x 320 mm x 80 mm NSK NA4948 needle roller bearings ? Find what N/A Minimum Buy Quantity you need faster 240 mm x 320 mm x 80 mm by entering your 240x320x80 bearing information .
What is NA4948 bearing cross reference？
| Brand Name: |
NSK |
| Model Number: |
NA4948 |
| d: |
300 mm |
| D: |
460 mm |
| B: |
74 mm |
| d1 ≈: |
363.6 mm |
| d2 ≈: |
335.7 mm |
| D1 ≈: |
400 mm |
| a: |
147 mm |
| r1,2 min.: |
4 mm |
| PDF |
NA4948 |
Product Details
| d |
300 mm |
| D |
460 mm |
| B |
74 mm |
| d1 ≈ |
363.6 mm |
| d2 ≈ |
335.7 mm |
| D1 ≈ |
400 mm |
| a |
147 mm |
| r1,2 min. |
4 mm |
| r3,4 min. |
1.5 mm |
| da min. |
317 mm |
| Da max. |
443 mm |
| Db max. |
453 mm |
| ra max. |
3 mm |
| rb max. |
1.5 mm |
| Basic dynamic load rating C |
423 kN |
| Basic static load rating C0 |
695 kN |
| Fatigue load limit Pu |
15.3 kN |
| Reference speed |
1500 r/min |
| Limiting speed |
1600 r/min |
| Calculation factor A |
3.72 |
| Calculation factor kr |
0.085 |
| Calculation factor e |
0.8 |
| Calculation factor X |
0.39 |
| Calculation factor Y0 |
0.33 |
| Calculation factor Y2 |
0.76 |
| Mass bearing |
42.5 kg |