Rolamento de agulha, rolamento axial de rolos cilíndricos, série 811
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CARACTERÍSTICAS TÉCNICAS | |
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Marca | NTN |
d - Bore diameter of support washer IR - WS | 90 mm |
D - Outside diameter of support washer OR - GS | 120 mm |
d1 - External diameter of support washer IR - WS | 120 mm |
D1 - Bore diameter bearing washer OR - GS | 92 mm |
T - Thrust bearing height | 22 mm |
Dw - Rolling element diameter | 9 mm |
Dc1 - Roller cage bore diameter | 90 mm |
Dc - Roller cage outer diameter | 120 mm |
rs - Min fillet radius | 1 mm |
Cage assembly reference | K81118T2 |
Bearing ring (inner ring) WS | WS81118 |
Bearing ring (outer ring) GS | GS81118 |
Ea - Rollers reference outer diameter | 114,3 mm |
Eb - Rollers reference inner diameter | 94,7 mm |
Peso | 0,67 kg |
Cage assembly mass | 0,17 kg |
Bearing ring (inner ring) WS mass | 0,25 kg |
Bearing ring (outer ring) GS mass | 0,25 kg |
DESEMPENHO | |
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Ca - Dynamic axial load rating | 112 kN |
C0a - Static axial load rating | 395 kN |
Cua - Limit axial load rating | 47,5 kN |
Nlim - Grease lubrication limit speed | 580 tr/min |
Nlim - Oil lubrication limit speed | 2300 tr/min |
Tmin - Temperatura mín de operação | -20 °C |
Tmax - Temperatura máx de operação | 120 °C |
RECOMENDACOES DE BARREIRA | |
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da min - Min shoulder diameter IR | 114 mm |
Db max - Max OR shoulder diameter | 95 mm |
ras max - Max shaft & housing fillet radius | 1 mm |