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Thrust cylindrical roller bearing cages

K81209T2 - NTN

K81209T2

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

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
Dw - Rolling element diameter9 mm
Dc1 - Roller cage bore diameter45 mm
Dc - Roller cage outer diameter73 mm
Bearing ring (inner ring) WSWS81209
Bearing ring (outer ring) GSGS81209
Ea - Rollers reference outer diameter68 mm
Eb - Rollers reference inner diameter48,8 mm
Cage assembly mass0,1 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating82 kN
C0a - Static axial load rating222 kN
Cua - Limit axial load rating27 kN
N lim - Grease lubrication limit speed1000 tr/min
N lim - Oil lubrication limit speed4100 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C