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81118T2 - NTN

81118T2

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 - WS90 mm
D - Outside diameter of support washer OR - GS120 mm
d1 - External diameter of support washer IR - WS120 mm
D1 - Bore diameter bearing washer OR - GS92 mm
T - Thrust bearing height22 mm
Dc1 - Roller cage bore diameter90 mm
Dc - Roller cage outer diameter120 mm
rs - Min fillet radius1 mm
Cage assembly referenceK81118T2
Bearing ring (inner ring) WSWS81118
Bearing ring (outer ring) GSGS81118
Ea - Rollers reference outer diameter114,3 mm
Eb - Rollers reference inner diameter94,7 mm
Peso0,67 kg
Cage assembly mass0,17 kg
Bearing ring (inner ring) WS mass0,25 kg
Bearing ring (outer ring) GS mass0,25 kg
Product classification image
DESEMPENHO
Ca - Dynamic axial load rating112 kN
C0a - Static axial load rating395 kN
Cua - Limit axial load rating47,5 kN
Nlim - Grease lubrication limit speed580 tr/min
Nlim - Oil lubrication limit speed2300 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)12,5 Hz
BPFI - Frequência de passagem na pista interna (60 rpm)12,5 Hz
FTF - Frequência de giro da gaiola (60 rpm)0,5 Hz
BSF - Frequência de giro do elemento rolante (60 rpm)11,611 Hz
RECOMENDACOES DE BARREIRA
da min - Min shoulder diameter IR114 mm
Db max - Max OR shoulder diameter95 mm
ras max - Max shaft & housing fillet radius1 mm