NTN 28995 Tapered Roller Bearings
| Bearing number: | NNU 4976 B/SPW33 |
| Size (mm): | 380x520x140 |
| Bore Diameter (mm): | 380 |
| Outer Diameter (mm): | 520 |
| Width (mm): | 140 |
| d: | 380 mm |
| D: | 520 mm |
| B: | 140 mm |
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Product Details
| Bearing number | NNU 4976 B/SPW33 |
| Size (mm) | 380x520x140 |
| Bore Diameter (mm) | 380 |
| Outer Diameter (mm) | 520 |
| Width (mm) | 140 |
| d | 380 mm |
| D | 520 mm |
| B | 140 mm |
| C | 140 mm |
| b | 16,7 mm |
| r1 min. | 4 mm |
| r2 min. | 4 mm |
| r3 min. | 2,5 mm |
| r4 min. | 2,5 mm |
| D1 | 470.8 mm |
| F | 426 mm |
| K | 9 mm |
| da min. | 395 mm |
| da max | 421 mm |
| Da max. | 505 mm |
| db min | 431 mm |
| ra max. | 3 mm |
| S | 5,5 mm |
| dh | – mm |
| Weight | 83,5 Kg |
| Basic dynamic load rating (C) | 1 450 kN |
| Basic static load rating (C0) | 3 600 kN |
| (Grease) Lubrication Speed | 1 300 r/min |
| (Oil) Lubrication Speed | 1 500 r/min |
| r1,2 min. | 4 mm |
| s max. | 5.5 mm |
| da max. | 421 mm |
| db min. | 431 mm |
| Basic dynamic load rating C | 1450 kN |
| Basic static load rating C0 | 3600 kN |
| Fatigue load limit Pu | 320 kN |
| Attainable speed for grease lubrication | 1300 r/min |
| Attainable speed for oil-air lubrication | 1500 r/min |
| Mass bearing | 83.5 kg |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
