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K81207T2 - NTN

K81207T2

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 diameter7,5 mm
Dc1 - Roller cage bore diameter35 mm
Dc - Roller cage outer diameter62 mm
Bearing ring (inner ring) WSWS81207
Bearing ring (outer ring) GSGS81207
Ea - Rollers reference outer diameter56 mm
Eb - Rollers reference inner diameter39,8 mm
Cage assembly mass0,065 kg
Product classification image
DESEMPENHO
Ca - Dynamic axial load rating54,5 kN
C0a - Static axial load rating139 kN
Cua - Limit axial load rating17 kN
Nlim - Grease lubrication limit speed1200 tr/min
Nlim - Oil lubrication limit speed4900 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C