NTN JH307710 Tapered Roller Bearings
| Bearing number: | 4T-3781/3720 |
| Size (mm): | 49.212x93.264x30.162 |
| Bore Diameter (mm): | 49,212 |
| Outer Diameter (mm): | 93,264 |
| Width (mm): | 30,162 |
| d: | 49,212 mm |
| D: | 93,264 mm |
| T: | 30,162 mm |
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Product Details
| Bearing number | 4T-3781/3720 |
| Size (mm) | 49.212x93.264x30.162 |
| Bore Diameter (mm) | 49,212 |
| Outer Diameter (mm) | 93,264 |
| Width (mm) | 30,162 |
| d | 49,212 mm |
| D | 93,264 mm |
| T | 30,162 mm |
| B | 30,302 mm |
| C | 23,812 mm |
| ra1 max. | 3,3 mm |
| a | 8,3 mm |
| Da | 82 mm |
| db | 56 mm |
| ra max. | 3,5 mm |
| da | 62 mm |
| Db | 88 mm |
| Weight | 0,877 Kg |
| Basic dynamic load rating (C) | 102 kN |
| Basic static load rating (C0) | 134 kN |
| (Grease) Lubrication Speed | 4 000 r/min |
| (Oil) Lubrication Speed | 5 300 r/min |
| Calculation factor (e) | 0,34 |
| Calculation factor (Y0) | 0,97 |
| d1 | 71.5 mm |
| e | 0.34 |
| Y2 | 1.77 |
| Y0 | 0.97 |
| Mass | 0.88 kg |
| Dynamic load, C | 102 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 134 kN |
| Fatigue limit load, Cu | 16.3 kN |
| Nlim (oil) | 5,300 rpm |
| Nlim (grease) | 4,000 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.43 Hz |
| Characteristic rolling element frequency, BSF | 6.94 Hz |
| Characteristic outer ring frequency, BPF0 | 7.76 Hz |
| Characteristic inner ring frequency, BPFI | 10.24 Hz |
| ra max | 3.5 mm |
| r1a max | 3.3 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
