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Thrust cylindrical roller bearing cages

K81211T2 - NTN

K81211T2

Needle roller bearing, thrust cylindrical roller bearing, cage assembly, K812 series

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Dw - Rolling element diameter11 mm
Dc1 - Roller cage bore diameter55 mm
Dc - Roller cage outer diameter90 mm
Bearing ring (inner ring) WSWS81211
Bearing ring (outer ring) GSGS81211
Ea - Rollers reference outer diameter83,4 mm
Eb - Rollers reference inner diameter60,1 mm
Cage assembly mass0,19 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating121 kN
C0a - Static axial load rating340 kN
Cua - Limit axial load rating41,5 kN
N lim - Grease lubrication limit speed830 tr/min
N lim - Oil lubrication limit speed3300 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C