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Thrust cylindrical roller bearing cages

K81222 - NTN

K81222

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Dw - Rolling element diameter15 mm
Dc1 - Roller cage bore diameter110 mm
Dc - Roller cage outer diameter160 mm
Bearing ring (inner ring) WSWS81222
Bearing ring (outer ring) GSGS81222
Ea - Rollers reference outer diameter150 mm
Eb - Rollers reference inner diameter119,2 mm
Cage assembly mass0,685 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating258 kN
C0a - Static axial load rating885 kN
Cua - Limit axial load rating98,5 kN
N lim - Grease lubrication limit speed450 tr/min
N lim - Oil lubrication limit speed1800 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C