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 |