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Complete thrust bearing

81111T2 - NTN

81111T2

Needle roller bearing, thrust cylindrical roller bearing, 811 series

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Bore diameter of support washer IR - WS55 mm
D - Outside diameter of support washer OR - GS78 mm
d1 - External diameter of support washer IR - WS78 mm
D1 - Bore diameter bearing washer OR - GS57 mm
T - Thrust bearing height16 mm
Dw - Rolling element diameter6 mm
Dc1 - Roller cage bore diameter55 mm
Dc - Roller cage outer diameter78 mm
rs - Min fillet radius0,6 mm
Cage assembly referenceK81111T2
Bearing ring (inner ring) WSWS81111
Bearing ring (outer ring) GSGS81111
Ea - Rollers reference outer diameter75,2 mm
Eb - Rollers reference inner diameter57,8 mm
Mass0,25 kg
Cage assembly mass0,06 kg
Bearing ring (inner ring) WS mass0,095 kg
Bearing ring (outer ring) GS mass0,095 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating62,5 kN
C0a - Static axial load rating215 kN
Cua - Limit axial load rating26,2 kN
N lim - Grease lubrication limit speed900 tr/min
N lim - Oil lubrication limit speed3600 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR75 mm
Db max - Max OR shoulder diameter58 mm
ras max - Max shaft & housing fillet radius0,6 mm