240 mm x 320 mm x 80 mm NTN NNU4948 cylindrical roller bearings
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What is NNU4948 bearing interchange？
| Brand Name: | NTN |
| Model Number: | NNU4948 |
| d: | 40 mm |
| D: | 110 mm |
| B: | 27 mm |
| d1 ≈: | 62.84 mm |
| D1 ≈: | 86.95 mm |
| D3: | 106.81 mm |
| D4: | 116.6 mm |
| b: | 2.7 mm |
| PDF |
NNU4948 |
Product Details
| d | 40 mm |
| D | 110 mm |
| B | 27 mm |
| d1 ≈ | 62.84 mm |
| D1 ≈ | 86.95 mm |
| D3 | 106.81 mm |
| D4 | 116.6 mm |
| b | 2.7 mm |
| C | 3.28 mm |
| f | 2.46 mm |
| r0 max. | 0.6 mm |
| r1,2 min. | 2 mm |
| da min. | 53 mm |
| Da max. | 97 mm |
| Db min. | 118 mm |
| ba min. | 3 mm |
| Ca max. | 5.74 mm |
| ra max. | 2 mm |
| Basic dynamic load rating C | 63.7 kN |
| Basic static load rating C0 | 36.5 kN |
| Fatigue load limit Pu | 1.53 kN |
| Reference speed | 14000 r/min |
| Limiting speed | 9000 r/min |
| Calculation factor kr | 0.035 |
| Calculation factor f0 | 12 |
| Mass bearing | 1.28 kg |
| Snap ring | SP 110 |
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