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 |