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81224 - NTN

81224

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

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Arquivo 3D

Folha de dados técnica

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Contate-Nos
CARACTERÍSTICAS TÉCNICAS
MarcaNTN
d - Bore diameter of support washer IR - WS120 mm
D - Outside diameter of support washer OR - GS170 mm
d1 - External diameter of support washer IR - WS170 mm
D1 - Bore diameter bearing washer OR - GS123 mm
T - Thrust bearing height39 mm
Dw - Rolling element diameter15 mm
Dc1 - Roller cage bore diameter120 mm
Dc - Roller cage outer diameter170 mm
rs - Min fillet radius1,1 mm
Cage assembly referenceK81224
Bearing ring (inner ring) WSWS81224
Bearing ring (outer ring) GSGS81224
Ea - Rollers reference outer diameter160 mm
Eb - Rollers reference inner diameter129,2 mm
Peso2,69 kg
Cage assembly mass0,73 kg
Bearing ring (inner ring) WS mass0,98 kg
Bearing ring (outer ring) GS mass0,98 kg
Product classification image
DESEMPENHO
Ca - Dynamic axial load rating264 kN
C0a - Static axial load rating930 kN
Cua - Limit axial load rating101 kN
Nlim - Grease lubrication limit speed430 tr/min
Nlim - Oil lubrication limit speed1700 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C
RECOMENDACOES DE BARREIRA
da min - Min shoulder diameter IR159 mm
Db max - Max OR shoulder diameter129 mm
ras max - Max shaft & housing fillet radius1 mm