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Complete thrust bearing

81217L1 - NTN

81217L1

Needle roller bearing, thrust cylindrical roller bearing, 812 series

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Bore diameter of support washer IR - WS85 mm
D - Outside diameter of support washer OR - GS125 mm
d1 - External diameter of support washer IR - WS125 mm
D1 - Bore diameter bearing washer OR - GS88 mm
T - Thrust bearing height31 mm
Dw - Rolling element diameter12 mm
Dc1 - Roller cage bore diameter85 mm
Dc - Roller cage outer diameter125 mm
rs - Min fillet radius1 mm
Cage assembly referenceK81217L1
Bearing ring (inner ring) WSWS81217
Bearing ring (outer ring) GSGS81217
Ea - Rollers reference outer diameter116,9 mm
Eb - Rollers reference inner diameter92,2 mm
Mass1,3 kg
Cage assembly mass0,32 kg
Bearing ring (inner ring) WS mass0,49 kg
Bearing ring (outer ring) GS mass0,49 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating169 kN
C0a - Static axial load rating550 kN
N lim - Grease lubrication limit speed580 tr/min
N lim - Oil lubrication limit speed2300 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR116 mm
Db max - Max OR shoulder diameter92 mm
ras max - Max shaft & housing fillet radius1 mm