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 |