81111T2 - NTN


Needle roller bearing, thrust cylindrical roller bearing, 811 series


3D file

Technical datasheet

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d - Bore diameter of support washer IR - WS 55 mm
D - Outside diameter of support washer OR - GS 78 mm
d1 - External diameter of support washer IR - WS 78 mm
D1 - Bore diameter bearing washer OR - GS 57 mm
T - Thrust bearing height 16 mm
Dc1 - Roller cage bore diameter 55 mm
Dc - Roller cage outer diameter 78 mm
rs - Min fillet radius 0,6 mm
Cage assembly reference K81111T2
Bearing ring (inner ring) WS WS81111
Bearing ring (outer ring) GS GS81111
Ea - Rollers reference outer diameter 75,2 mm
Eb - Rollers reference inner diameter 57,8 mm
Mass 0,25 kg
Cage assembly mass 0,06 kg
Bearing ring (inner ring) WS mass 0,095 kg
Bearing ring (outer ring) GS mass 0,095 kg
Brand NTN
Product classification image


Ca - Dynamic axial load rating 62,5 kN
C0a - Static axial load rating 215 kN
Cua - Limit axial load rating 26,2 kN
Nlim - Grease lubrication limit speed 900 tr/min
Nlim - Oil lubrication limit speed 3600 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C


da min - Min shoulder diameter IR 75 mm
Db max - Max OR shoulder diameter 58 mm
ras max - Max shaft & housing fillet radius 0,6 mm