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 | 17 mm |
D - Outside diameter of support washer OR - GS | 30 mm |
d1 - External diameter of support washer IR - WS | 30 mm |
D1 - Bore diameter bearing washer OR - GS | 18 mm |
T - Thrust bearing height | 9 mm |
Dw - Rolling element diameter | 3,5 mm |
Dc1 - Roller cage bore diameter | 17 mm |
Dc - Roller cage outer diameter | 30 mm |
rs - Min fillet radius | 0,3 mm |
Cage assembly reference | K81103T2 |
Bearing ring (inner ring) WS | WS81103 |
Bearing ring (outer ring) GS | GS81103 |
Ea - Rollers reference outer diameter | 27 mm |
Eb - Rollers reference inner diameter | 19,2 mm |
Peso | 0,03 kg |
Cage assembly mass | 0,008 kg |
Bearing ring (inner ring) WS mass | 0,011 kg |
Bearing ring (outer ring) GS mass | 0,011 kg |
DESEMPENHO | |
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Ca - Dynamic axial load rating | 12,7 kN |
C0a - Static axial load rating | 29 kN |
Cua - Limit axial load rating | 3,55 kN |
Nlim - Grease lubrication limit speed | 2500 tr/min |
Nlim - Oil lubrication limit speed | 10000 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 | 27 mm |
Db max - Max OR shoulder diameter | 20 mm |
ras max - Max shaft & housing fillet radius | 0,3 mm |