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K81220 - NTN

K81220

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 diameter15 mm
Dc1 - Roller cage bore diameter100 mm
Dc - Roller cage outer diameter150 mm
Bearing ring (inner ring) WSWS81220
Bearing ring (outer ring) GSGS81220
Ea - Rollers reference outer diameter140 mm
Eb - Rollers reference inner diameter109,2 mm
Cage assembly mass0,62 kg
Product classification image
DESEMPENHO
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