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81108T2 - 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 - WS40 mm
D - Outside diameter of support washer OR - GS60 mm
d1 - External diameter of support washer IR - WS60 mm
D1 - Bore diameter bearing washer OR - GS42 mm
T - Thrust bearing height13 mm
Dc1 - Roller cage bore diameter40 mm
Dc - Roller cage outer diameter60 mm
rs - Min fillet radius0,6 mm
Cage assembly referenceK81108T2
Bearing ring (inner ring) WSWS81108
Bearing ring (outer ring) GSGS81108
Ea - Rollers reference outer diameter56,4 mm
Eb - Rollers reference inner diameter43,2 mm
Mass0,135 kg
Cage assembly mass0,035 kg
Bearing ring (inner ring) WS mass0,044 kg
Bearing ring (outer ring) GS mass0,044 kg
Product classification image
Ca - Dynamic axial load rating43 kN
C0a - Static axial load rating121 kN
Cua - Limit axial load rating14,8 kN
Nlim - Grease lubrication limit speed1200 tr/min
Nlim - Oil lubrication limit speed4800 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)8,5 Hz
BPFI - Characteristic inner ring frequency (60 rpm)8,5 Hz
FTF - Characteristic cage frequency (60 rpm)0,5 Hz
BSF - Characteristic rolling element frequency (60 rpm)8,3 Hz
da min - Min shoulder diameter IR56 mm
Db max - Max OR shoulder diameter44 mm
ras max - Max shaft & housing fillet radius0,6 mm