89311 - NTN


Needle roller bearing, thrust cylindrical roller bearing, 893 series


Technical datasheet

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Bore diameter of support washer IR - WS (d) 55 mm
Outside diameter of support washer OR - GS (D) 105 mm
External diameter of support washer IR - WS (d1) 105 mm
Bore diameter bearing washer OR - GS (D1) 57 mm
Thrust bearing height (T) 30 mm
Roller cage bore diameter (Dc1) 55 mm
Roller cage outer diameter (Dc) 105 mm
Min fillet radius (rs) 1,1 mm
Cage assembly reference K89311
Bearing ring (inner ring) WS WS89311
Bearing ring (outer ring) GS GS89311
Rollers reference outer diameter (Ea) 100,3 mm
Rollers reference inner diameter (Eb) 63,9 mm
Mass 1,27 kg
Cage assembly mass 0,24 kg
Bearing ring (inner ring) WS mass 0,52 kg
Bearing ring (outer ring) GS mass 0,52 kg
Brand NTN
Product classification image


Dynamic axial load rating (Ca) 158 kN
Static axial load rating (C0a) 570 kN
Limit axial load rating (Cua) 69,5 kN
Nlim (grease) 730 tr/min
Nlim (oil) 2900 tr/min
Min operating temperature (Tmin) -20 °C
Max operating temperature (Tmax) 120 °C


Min shoulder diameter IR (da min) 100 mm
Max OR shoulder diameter (Db max) 64 mm
Max shaft & housing fillet radius (ras max) 1 mm