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K81210T2 - NTN

K81210T2

Rolamento de agulha, rolamento de rolos cilíndricos de impulso, montagem com gaiola, série K812

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Folha de dados técnica

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CARACTERÍSTICAS TÉCNICAS
MarcaNTN
Dw - Rolling element diameter9 mm
Dc1 - Roller cage bore diameter50 mm
Dc - Roller cage outer diameter78 mm
Bearing ring (inner ring) WSWS81210
Bearing ring (outer ring) GSGS81210
Ea - Rollers reference outer diameter73,1 mm
Eb - Rollers reference inner diameter53,7 mm
Cage assembly mass0,105 kg
Product classification image
DESEMPENHO
Ca - Dynamic axial load rating85 kN
C0a - Static axial load rating238 kN
Cua - Limit axial load rating29 kN
Nlim - Grease lubrication limit speed950 tr/min
Nlim - Oil lubrication limit speed3800 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C