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81112T2 - NTN

81112T2

Needle roller bearing, thrust cylindrical roller bearing, 811 series

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Bore diameter of support washer IR - WS 60 mm
D - Outside diameter of support washer OR - GS 85 mm
d1 - External diameter of support washer IR - WS 85 mm
D1 - Bore diameter bearing washer OR - GS 62 mm
T - Thrust bearing height 17 mm
Dc1 - Roller cage bore diameter 60 mm
Dc - Roller cage outer diameter 85 mm
rs - Min fillet radius 1 mm
Cage assembly reference K81112T2
Bearing ring (inner ring) WS WS81112
Bearing ring (outer ring) GS GS81112
Ea - Rollers reference outer diameter 80,1 mm
Eb - Rollers reference inner diameter 63,7 mm
Mass 0,285 kg
Cage assembly mass 0,083 kg
Bearing ring (inner ring) WS mass 0,101 kg
Bearing ring (outer ring) GS mass 0,101 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 69 kN
C0a - Static axial load rating 215 kN
Cua - Limit axial load rating 26,2 kN
Nlim - Grease lubrication limit speed 830 tr/min
Nlim - Oil lubrication limit speed 3300 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 80 mm
Db max - Max OR shoulder diameter 65 mm
ras max - Max shaft & housing fillet radius 1 mm