Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K812 series
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| Dw - Rolling element diameter | 19 mm |
| Dc1 - Roller cage bore diameter | 140 mm |
| Dc - Roller cage outer diameter | 200 mm |
| Bearing ring (inner ring) WS | WS81228 |
| Bearing ring (outer ring) GS | GS81228 |
| Ea - Rollers reference outer diameter | 189 mm |
| Eb - Rollers reference inner diameter | 150,1 mm |
| Cage assembly mass | 1,2 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| Ca - Dynamic axial load rating | 370 kN |
| C0a - Static axial load rating | 1280 kN |
| Cua - Limit axial load rating | 133 kN |
| N lim - Grease lubrication limit speed | 350 tr/min |
| N lim - Oil lubrication limit speed | 1400 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |