Documentation

Product information

CARACTERÍSTICAS TÉCNICAS
Marca	NTN
d - Bore diameter of support washer IR - WS	40 mm
D - Outside diameter of support washer OR - GS	68 mm
d1 - External diameter of support washer IR - WS	68 mm
D1 - Bore diameter bearing washer OR - GS	42 mm
T - Thrust bearing height	19 mm
Dw - Rolling element diameter	9 mm
Dc1 - Roller cage bore diameter	40 mm
Dc - Roller cage outer diameter	68 mm
rs - Min fillet radius	1 mm
Cage assembly reference	K81208T2
Bearing ring (inner ring) WS	WS81208
Bearing ring (outer ring) GS	GS81208
Ea - Rollers reference outer diameter	62,9 mm
Eb - Rollers reference inner diameter	43,7 mm
Peso	0,265 kg
Cage assembly mass	0,085 kg
Bearing ring (inner ring) WS mass	0,09 kg
Bearing ring (outer ring) GS mass	0,09 kg

DESEMPENHO
Ca - Dynamic axial load rating	74,5 kN
C0a - Static axial load rating	190 kN
Cua - Limit axial load rating	23,2 kN
N lim - Grease lubrication limit speed	1100 tr/min
N lim - Oil lubrication limit speed	4400 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	63 mm
Db max - Max OR shoulder diameter	44 mm
ras max - Max shaft & housing fillet radius	1 mm