KOYO K20X28X20H Roller Bearings
| Bearing number: | 4T-JH913848/JH913811 |
| Size (mm): | 70x150x41.275 |
| Bore Diameter (mm): | 70 |
| Outer Diameter (mm): | 150 |
| Width (mm): | 41,275 |
| d: | 70 mm |
| D: | 150 mm |
| T: | 41,275 mm |
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Product Details
| Bearing number | 4T-JH913848/JH913811 |
| Size (mm) | 70x150x41.275 |
| Bore Diameter (mm) | 70 |
| Outer Diameter (mm) | 150 |
| Width (mm) | 41,275 |
| d | 70 mm |
| D | 150 mm |
| T | 41,275 mm |
| B | 39,688 mm |
| C | 25,4 mm |
| ra1 max. | 3,3 mm |
| a - | 4,3 mm |
| Da | 126 mm |
| db | 82 mm |
| ra max. | 2 mm |
| da | 92 mm |
| Db | 146 mm |
| Weight | 3,08 Kg |
| Basic dynamic load rating (C) | 199 kN |
| Basic static load rating (C0) | 234 kN |
| (Grease) Lubrication Speed | 2 400 r/min |
| (Oil) Lubrication Speed | 3 200 r/min |
| Calculation factor (e) | 0,78 |
| Calculation factor (Y0) | 0,42 |
| d1 | 108.5 mm |
| a | 45.58 mm |
| e | 0.78 |
| Y2 | 0.77 |
| Y0 | 0.42 |
| Mass | 3.08 kg |
| Dynamic load, C | 199 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 234 kN |
| Fatigue limit load, Cu | 28 kN |
| Nlim (oil) | 3,200 rpm |
| Nlim (grease) | 2,400 rpm |
| Min operating temperature, Tmin | -40 °C |
| Max operating temperature, Tmax | 120 °C |
| Characteristic cage frequency, FTF | 0.42 Hz |
| Characteristic rolling element frequency, BSF | 5.34 Hz |
| Characteristic outer ring frequency, BPF0 | 6.29 Hz |
| Characteristic inner ring frequency, BPFI | 8.71 Hz |
| ra max | 2 mm |
| r1a max | 3.3 mm |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
