Documentation

Product information

CARACTERÍSTICAS TÉCNICAS
Marca	NTN
d - Bore diameter of support washer IR - WS	55 mm
D - Outside diameter of support washer OR - GS	78 mm
d1 - External diameter of support washer IR - WS	78 mm
D1 - Bore diameter bearing washer OR - GS	57 mm
T - Thrust bearing height	16 mm
Dw - Rolling element diameter	6 mm
Dc1 - Roller cage bore diameter	55 mm
Dc - Roller cage outer diameter	78 mm
rs - Min fillet radius	0,6 mm
Cage assembly reference	K81111T2
Bearing ring (inner ring) WS	WS81111
Bearing ring (outer ring) GS	GS81111
Ea - Rollers reference outer diameter	75,2 mm
Eb - Rollers reference inner diameter	57,8 mm
Peso	0,25 kg
Cage assembly mass	0,06 kg
Bearing ring (inner ring) WS mass	0,095 kg
Bearing ring (outer ring) GS mass	0,095 kg

DESEMPENHO
Ca - Dynamic axial load rating	62,5 kN
C0a - Static axial load rating	215 kN
Cua - Limit axial load rating	26,2 kN
N lim - Grease lubrication limit speed	900 tr/min
N lim - Oil lubrication limit speed	3600 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	75 mm
Db max - Max OR shoulder diameter	58 mm
ras max - Max shaft & housing fillet radius	0,6 mm