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 |
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