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81220 - 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 - WS100 mm
D - Outside diameter of support washer OR - GS150 mm
d1 - External diameter of support washer IR - WS150 mm
D1 - Bore diameter bearing washer OR - GS103 mm
T - Thrust bearing height38 mm
Dw - Rolling element diameter15 mm
Dc1 - Roller cage bore diameter100 mm
Dc - Roller cage outer diameter150 mm
rs - Min fillet radius1,1 mm
Cage assembly referenceK81220
Bearing ring (inner ring) WSWS81220
Bearing ring (outer ring) GSGS81220
Ea - Rollers reference outer diameter140 mm
Eb - Rollers reference inner diameter109,2 mm
Peso2,24 kg
Cage assembly mass0,62 kg
Bearing ring (inner ring) WS mass0,81 kg
Bearing ring (outer ring) GS mass0,81 kg
Product classification image
Ca - Dynamic axial load rating243 kN
C0a - Static axial load rating795 kN
Cua - Limit axial load rating91 kN
Nlim - Grease lubrication limit speed480 tr/min
Nlim - Oil lubrication limit speed1900 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C
da min - Min shoulder diameter IR139 mm
Db max - Max OR shoulder diameter109 mm
ras max - Max shaft & housing fillet radius1 mm