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 |