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81211T2 - NTN


Rolamento de agulha, rolamento axial de rolos cilíndricos, série 812


Arquivo 3D

Folha de dados técnica

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d - Bore diameter of support washer IR - WS55 mm
D - Outside diameter of support washer OR - GS90 mm
d1 - External diameter of support washer IR - WS90 mm
D1 - Bore diameter bearing washer OR - GS57 mm
T - Thrust bearing height25 mm
Dw - Rolling element diameter11 mm
Dc1 - Roller cage bore diameter55 mm
Dc - Roller cage outer diameter90 mm
rs - Min fillet radius1 mm
Cage assembly referenceK81211T2
Bearing ring (inner ring) WSWS81211
Bearing ring (outer ring) GSGS81211
Ea - Rollers reference outer diameter83,4 mm
Eb - Rollers reference inner diameter60,1 mm
Peso0,61 kg
Cage assembly mass0,19 kg
Bearing ring (inner ring) WS mass0,21 kg
Bearing ring (outer ring) GS mass0,21 kg
Product classification image
Ca - Dynamic axial load rating121 kN
C0a - Static axial load rating340 kN
Cua - Limit axial load rating41,5 kN
Nlim - Grease lubrication limit speed830 tr/min
Nlim - Oil lubrication limit speed3300 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C
da min - Min shoulder diameter IR83 mm
Db max - Max OR shoulder diameter61 mm
ras max - Max shaft & housing fillet radius1 mm