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 |