22228B Spherical Roller Bearings 140*250*68mm
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Details
| Bearing number | 4T-28158/28300 |
| Size (mm) | 40x76.2x20.638 |
| Bore Diameter (mm) | 40 |
| Outer Diameter (mm) | 76,2 |
| Width (mm) | 20,638 |
| d | 40 mm |
| D | 76,2 mm |
| T | 20,638 mm |
| B | 20,94 mm |
| C | 15,507 mm |
| ra1 max. | 1,3 mm |
| a | 4,8 mm |
| Da | 68 mm |
| db | 45 mm |
| ra max. | 1,5 mm |
| da | 47,5 mm |
| Db | 71 mm |
| Weight | 0,386 Kg |
| Basic dynamic load rating (C) | 55,5 kN |
| Basic static load rating (C0) | 63 kN |
| (Grease) Lubrication Speed | 5 000 r/min |
| (Oil) Lubrication Speed | 6 700 r/min |
| Calculation factor (e) | 0,4 |
| Calculation factor (Y0) | 0,82 |
| d1 | 56 mm |
| e | 0.4 |
| Y2 | 1.49 |
| Y0 | 0.82 |
| Mass | 0.39 kg |
| Dynamic load, C | 55.5 kN |
| Rating life coefficient, A2 | 1.4 |
| Static load, C0 | 63 kN |
| Fatigue limit load, Cu | 7.7 kN |
| Nlim (oil) | 6,700 rpm |
| Nlim (grease) | 5,000 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 | 6.31 Hz |
| Characteristic outer ring frequency, BPF0 | 7.23 Hz |
| Characteristic inner ring frequency, BPFI | 9.77 Hz |
| ra max | 1.5 mm |
| r1a max | 1.3 mm |
Company Profile
| Worktime |
З понеділка по п'ятницю: з 9:00 до 18:00 |
| Phone |
00(65) 6258 1688 |
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