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81105T2 - NTN


Needle roller bearing, thrust cylindrical roller bearing, 811 series


Technical datasheet

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Bore diameter of support washer IR - WS (d) 25 mm
Outside diameter of support washer OR - GS (D) 42 mm
External diameter of support washer IR - WS (d1) 42 mm
Bore diameter bearing washer OR - GS (D1) 26 mm
Thrust bearing height (T) 11 mm
Roller cage bore diameter (Dc1) 25 mm
Roller cage outer diameter (Dc) 42 mm
Min fillet radius (rs) 0,6 mm
Cage assembly reference K81105T2
Bearing ring (inner ring) WS WS81105
Bearing ring (outer ring) GS GS81105
Rollers reference outer diameter (Ea) 38,7 mm
Rollers reference inner diameter (Eb) 27,6 mm
Mass 0,06 kg
Cage assembly mass 0,018 kg
Bearing ring (inner ring) WS mass 0,021 kg
Bearing ring (outer ring) GS mass 0,021 kg
Brand NTN
Product classification image


Dynamic axial load rating (Ca) 27,3 kN
Static axial load rating (C0a) 68 kN
Limit axial load rating (Cua) 8,25 kN
Nlim (grease) 1800 tr/min
Nlim (oil) 7000 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C


Min shoulder diameter IR (da min) 39 mm
Max OR shoulder diameter (Db max) 28 mm
Max shaft & housing fillet radius (ras max) 0,6 mm