Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K812 series
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PRODUCT DEFINITION | |
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Brand | NTN |
Dw - Rolling element diameter | 7,5 mm |
Dc1 - Roller cage bore diameter | 35 mm |
Dc - Roller cage outer diameter | 62 mm |
Bearing ring (inner ring) WS | WS81207 |
Bearing ring (outer ring) GS | GS81207 |
Ea - Rollers reference outer diameter | 56 mm |
Eb - Rollers reference inner diameter | 39,8 mm |
Cage assembly mass | 0,065 kg |
PRODUCT PERFORMANCE | |
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Ca - Dynamic axial load rating | 54,5 kN |
C0a - Static axial load rating | 139 kN |
Cua - Limit axial load rating | 17 kN |
Nlim - Grease lubrication limit speed | 1200 tr/min |
Nlim - Oil lubrication limit speed | 4900 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |