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81112T2 - NTN

81112T2

Rolamento de agulha, rolamento axial de rolos cilíndricos, série 811

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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 - WS60 mm
D - Outside diameter of support washer OR - GS85 mm
d1 - External diameter of support washer IR - WS85 mm
D1 - Bore diameter bearing washer OR - GS62 mm
T - Thrust bearing height17 mm
Dc1 - Roller cage bore diameter60 mm
Dc - Roller cage outer diameter85 mm
rs - Min fillet radius1 mm
Cage assembly referenceK81112T2
Bearing ring (inner ring) WSWS81112
Bearing ring (outer ring) GSGS81112
Ea - Rollers reference outer diameter80,1 mm
Eb - Rollers reference inner diameter63,7 mm
Peso0,285 kg
Cage assembly mass0,083 kg
Bearing ring (inner ring) WS mass0,101 kg
Bearing ring (outer ring) GS mass0,101 kg
Product classification image
DESEMPENHO
Ca - Dynamic axial load rating69 kN
C0a - Static axial load rating215 kN
Cua - Limit axial load rating26,2 kN
Nlim - Grease lubrication limit speed830 tr/min
Nlim - Oil lubrication limit speed3300 tr/min
Tmin - Temperatura mín de operação-20 °C
Tmax - Temperatura máx de operação120 °C
FREQUÊNCIAS DE ROLAMENTO
BPFO - Frequência de passagem na pista externa (60 rpm)10 Hz
BPFI - Frequência de passagem na pista interna (60 rpm)10 Hz
FTF - Frequência de giro da gaiola (60 rpm)0,5 Hz
BSF - Frequência de giro do elemento rolante (60 rpm)9,587 Hz
RECOMENDACOES DE BARREIRA
da min - Min shoulder diameter IR80 mm
Db max - Max OR shoulder diameter65 mm
ras max - Max shaft & housing fillet radius1 mm