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89308 - NTN

89308

Needle roller bearing, thrust cylindrical roller bearing, 893 series

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Bore diameter of support washer IR - WS 40 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 42 mm
T - Thrust bearing height 22 mm
Dc1 - Roller cage bore diameter 40 mm
Dc - Roller cage outer diameter 78 mm
rs - Min fillet radius 1 mm
Cage assembly reference K89308
Bearing ring (inner ring) WS WS89308
Bearing ring (outer ring) GS GS89308
Ea - Rollers reference outer diameter 74,4 mm
Eb - Rollers reference inner diameter 46 mm
Mass 0,52 kg
Cage assembly mass 0,1 kg
Bearing ring (inner ring) WS mass 0,21 kg
Bearing ring (outer ring) GS mass 0,21 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 85 kN
C0a - Static axial load rating 277 kN
Cua - Limit axial load rating 34 kN
Nlim - Grease lubrication limit speed 1000 tr/min
Nlim - Oil lubrication limit speed 4000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 74 mm
Db max - Max OR shoulder diameter 46 mm
ras max - Max shaft & housing fillet radius 1 mm