R9-67E3 Rotek Slewing Ring Bearings
| Brand Name: |
Rotek |
| Model Number: |
R9-67E3 |
| Bearing number: |
4T-6277/6220 |
| Size (mm): |
44.45x127x50.8 |
| Bore Diameter (mm): |
44,45 |
| Outer Diameter (mm): |
127 |
| Width (mm): |
50,8 |
| d: |
44,45 mm |
| D: |
127 mm |
| T: |
50,8 mm |
Product Details
| Bearing number |
4T-6277/6220 |
| Size (mm) |
44.45x127x50.8 |
| Bore Diameter (mm) |
44,45 |
| Outer Diameter (mm) |
127 |
| Width (mm) |
50,8 |
| d |
44,45 mm |
| D |
127 mm |
| T |
50,8 mm |
| B |
52,388 mm |
| C |
41,275 mm |
| ra1 max. |
3,3 mm |
| a |
19,5 mm |
| Da |
108 mm |
| db |
60 mm |
| ra max. |
3,5 mm |
| da |
67 mm |
| Db |
117 mm |
| Weight |
3,58 Kg |
| Basic dynamic load rating (C) |
250 kN |
| Basic static load rating (C0) |
320 kN |
| (Grease) Lubrication Speed |
3 200 r/min |
| (Oil) Lubrication Speed |
4 300 r/min |
| Calculation factor (e) |
0,3 |
| Calculation factor (Y0) |
1,11 |
| d1 |
88 mm |
| e |
0.3 |
| Y2 |
2.01 |
| Y0 |
1.11 |
| Mass |
3.58 kg |
| Dynamic load, C |
250 kN |
| Rating life coefficient, A2 |
1.4 |
| Static load, C0 |
320 kN |
| Fatigue limit load, Cu |
39 kN |
| Nlim (oil) |
4,300 rpm |
| Nlim (grease) |
3,200 rpm |
| Min operating temperature, Tmin |
-40 °C |
| Max operating temperature, Tmax |
120 °C |
| Characteristic cage frequency, FTF |
0.41 Hz |
| Characteristic rolling element frequency, BSF |
5.08 Hz |
| Characteristic outer ring frequency, BPF0 |
5.7 Hz |
| Characteristic inner ring frequency, BPFI |
8.3 Hz |
| ra max |
3.5 mm |
| r1a max |
3.3 mm |