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81207T2 - NTN

81207T2

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 35 mm
D - Outside diameter of support washer OR - GS 62 mm
d1 - External diameter of support washer IR - WS 62 mm
D1 - Bore diameter bearing washer OR - GS 37 mm
T - Thrust bearing height 18 mm
Dc1 - Roller cage bore diameter 35 mm
Dc - Roller cage outer diameter 62 mm
rs - Min fillet radius 1 mm
Cage assembly reference K81207T2
Bearing ring (inner ring) WS WS81207
Bearing ring (outer ring) GS GS81207
Ea - Rollers reference outer diameter 56 mm
Eb - Rollers reference inner diameter 39,8 mm
Mass 0,235 kg
Cage assembly mass 0,065 kg
Bearing ring (inner ring) WS mass 0,085 kg
Bearing ring (outer ring) GS mass 0,085 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Ca - Dynamic axial load rating 54,5 kN
C0a - Static axial load rating 139 kN
Cua - Limit axial load rating 17 kN
Nlim - Grease lubrication limit speed 1200 tr/min
Nlim - Oil lubrication limit speed 4900 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 56 mm
Db max - Max OR shoulder diameter 41 mm
ras max - Max shaft & housing fillet radius 1 mm