Documentation

Product information

CARACTERÍSTICAS TÉCNICAS
Marca	NTN
d - Bore diameter of support washer IR - WS	120 mm
D - Outside diameter of support washer OR - GS	170 mm
d1 - External diameter of support washer IR - WS	170 mm
D1 - Bore diameter bearing washer OR - GS	123 mm
T - Thrust bearing height	39 mm
Dw - Rolling element diameter	15 mm
Dc1 - Roller cage bore diameter	120 mm
Dc - Roller cage outer diameter	170 mm
rs - Min fillet radius	1,1 mm
Cage assembly reference	K81224
Bearing ring (inner ring) WS	WS81224
Bearing ring (outer ring) GS	GS81224
Ea - Rollers reference outer diameter	160 mm
Eb - Rollers reference inner diameter	129,2 mm
Peso	2,69 kg
Cage assembly mass	0,73 kg
Bearing ring (inner ring) WS mass	0,98 kg
Bearing ring (outer ring) GS mass	0,98 kg

DESEMPENHO
Ca - Dynamic axial load rating	264 kN
C0a - Static axial load rating	930 kN
Cua - Limit axial load rating	101 kN
N lim - Grease lubrication limit speed	430 tr/min
N lim - Oil lubrication limit speed	1700 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	159 mm
Db max - Max OR shoulder diameter	129 mm
ras max - Max shaft & housing fillet radius	1 mm