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81215T2 - NTN

81215T2

Needle roller bearing, thrust cylindrical roller bearing, 812 series

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Technical datasheet

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Specs

PRODUCT DEFINITION

d - Bore diameter of support washer IR - WS 75 mm
D - Outside diameter of support washer OR - GS 110 mm
d1 - External diameter of support washer IR - WS 110 mm
D1 - Bore diameter bearing washer OR - GS 77 mm
T - Thrust bearing height 27 mm
Dc1 - Roller cage bore diameter 75 mm
Dc - Roller cage outer diameter 110 mm
rs - Min fillet radius 1 mm
Cage assembly reference K81215T2
Bearing ring (inner ring) WS WS81215
Bearing ring (outer ring) GS GS81215
Ea - Rollers reference outer diameter 103,7 mm
Eb - Rollers reference inner diameter 80,1 mm
Mass 0,86 kg
Cage assembly mass 0,24 kg
Bearing ring (inner ring) WS mass 0,31 kg
Bearing ring (outer ring) GS mass 0,31 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 138 kN
C0a - Static axial load rating 435 kN
Cua - Limit axial load rating 53 kN
Nlim - Grease lubrication limit speed 650 tr/min
Nlim - Oil lubrication limit speed 2600 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 103 mm
Db max - Max OR shoulder diameter 81 mm
ras max - Max shaft & housing fillet radius 1 mm