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81105T2 - 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 - WS25 mm
D - Outside diameter of support washer OR - GS42 mm
d1 - External diameter of support washer IR - WS42 mm
D1 - Bore diameter bearing washer OR - GS26 mm
T - Thrust bearing height11 mm
Dc1 - Roller cage bore diameter25 mm
Dc - Roller cage outer diameter42 mm
rs - Min fillet radius0,6 mm
Cage assembly referenceK81105T2
Bearing ring (inner ring) WSWS81105
Bearing ring (outer ring) GSGS81105
Ea - Rollers reference outer diameter38,7 mm
Eb - Rollers reference inner diameter27,6 mm
Mass0,06 kg
Cage assembly mass0,018 kg
Bearing ring (inner ring) WS mass0,021 kg
Bearing ring (outer ring) GS mass0,021 kg
Product classification image
Ca - Dynamic axial load rating27,3 kN
C0a - Static axial load rating68 kN
Cua - Limit axial load rating8,25 kN
Nlim - Grease lubrication limit speed1800 tr/min
Nlim - Oil lubrication limit speed7000 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)7 Hz
BPFI - Characteristic inner ring frequency (60 rpm)7 Hz
FTF - Characteristic cage frequency (60 rpm)0,5 Hz
BSF - Characteristic rolling element frequency (60 rpm)6,63 Hz
da min - Min shoulder diameter IR39 mm
Db max - Max OR shoulder diameter28 mm
ras max - Max shaft & housing fillet radius0,6 mm