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Complete thrust bearing

81112T2 - NTN

81112T2

Needle roller bearing, thrust cylindrical roller bearing, 811 series

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Bore diameter of support washer IR - WS60 mm
D - Outside diameter of support washer OR - GS85 mm
d1 - External diameter of support washer IR - WS85 mm
D1 - Bore diameter bearing washer OR - GS62 mm
T - Thrust bearing height17 mm
Dw - Rolling element diameter7,5 mm
Dc1 - Roller cage bore diameter60 mm
Dc - Roller cage outer diameter85 mm
rs - Min fillet radius1 mm
Cage assembly referenceK81112T2
Bearing ring (inner ring) WSWS81112
Bearing ring (outer ring) GSGS81112
Ea - Rollers reference outer diameter80,1 mm
Eb - Rollers reference inner diameter63,7 mm
Mass0,285 kg
Cage assembly mass0,083 kg
Bearing ring (inner ring) WS mass0,101 kg
Bearing ring (outer ring) GS mass0,101 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating69 kN
C0a - Static axial load rating215 kN
Cua - Limit axial load rating26,2 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
ABUTMENT
da min - Min shoulder diameter IR80 mm
Db max - Max OR shoulder diameter65 mm
ras max - Max shaft & housing fillet radius1 mm