Documentation

Product information

CARACTERÍSTICAS TÉCNICAS
Marca	NTN
d - Bore diameter of support washer IR - WS	90 mm
D - Outside diameter of support washer OR - GS	135 mm
d1 - External diameter of support washer IR - WS	135 mm
D1 - Bore diameter bearing washer OR - GS	93 mm
T - Thrust bearing height	35 mm
Dw - Rolling element diameter	14 mm
Dc1 - Roller cage bore diameter	90 mm
Dc - Roller cage outer diameter	135 mm
rs - Min fillet radius	1,1 mm
Cage assembly reference	K81218J
Bearing ring (inner ring) WS	WS81218
Bearing ring (outer ring) GS	GS81218
Ea - Rollers reference outer diameter	126,7 mm
Eb - Rollers reference inner diameter	97,9 mm
Peso	1,82 kg
Cage assembly mass	0,54 kg
Bearing ring (inner ring) WS mass	0,64 kg
Bearing ring (outer ring) GS mass	0,64 kg

DESEMPENHO
Ca - Dynamic axial load rating	213 kN
C0a - Static axial load rating	680 kN
Cua - Limit axial load rating	80 kN
N lim - Grease lubrication limit speed	530 tr/min
N lim - Oil lubrication limit speed	2100 tr/min
Tmin - Temperatura mín de operação	-20 °C
Tmax - Temperatura máx de operação	120 °C

RECOMENDACOES DE BARREIRA
da min - Min shoulder diameter IR	126 mm
Db max - Max OR shoulder diameter	97 mm
ras max - Max shaft & housing fillet radius	1 mm