81212T2 - NTN


Needle roller bearing, thrust cylindrical roller bearing, 812 series


3D file

Technical datasheet

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d - Bore diameter of support washer IR - WS 60 mm
D - Outside diameter of support washer OR - GS 95 mm
d1 - External diameter of support washer IR - WS 95 mm
D1 - Bore diameter bearing washer OR - GS 62 mm
T - Thrust bearing height 26 mm
Dc1 - Roller cage bore diameter 60 mm
Dc - Roller cage outer diameter 95 mm
rs - Min fillet radius 1 mm
Cage assembly reference K81212T2
Bearing ring (inner ring) WS WS81212
Bearing ring (outer ring) GS GS81212
Ea - Rollers reference outer diameter 88,4 mm
Eb - Rollers reference inner diameter 64,9 mm
Mass 0,66 kg
Cage assembly mass 0,2 kg
Bearing ring (inner ring) WS mass 0,23 kg
Bearing ring (outer ring) GS mass 0,23 kg
Brand NTN
Product classification image


Ca - Dynamic axial load rating 126 kN
C0a - Static axial load rating 365 kN
Cua - Limit axial load rating 44,5 kN
Nlim - Grease lubrication limit speed 780 tr/min
Nlim - Oil lubrication limit speed 3100 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C


da min - Min shoulder diameter IR 88 mm
Db max - Max OR shoulder diameter 66 mm
ras max - Max shaft & housing fillet radius 1 mm