Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K811 series
3D file
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| Dc1 - Roller cage bore diameter | 80 mm |
| Dc - Roller cage outer diameter | 105 mm |
| Bearing ring (inner ring) WS | WS81116 |
| Bearing ring (outer ring) GS | GS81116 |
| Ea - Rollers reference outer diameter | 100,1 mm |
| Eb - Rollers reference inner diameter | 83,7 mm |
| Cage assembly mass | 0,119 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Ca - Dynamic axial load rating | 79,5 kN |
| C0a - Static axial load rating | 279 kN |
| Cua - Limit axial load rating | 34 kN |
| Nlim - Grease lubrication limit speed | 650 tr/min |
| Nlim - Oil lubrication limit speed | 2600 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 13 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 13 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,5 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 12,253 Hz |
Documentation