6311ZNR

PRODUCT DEFINITION
Brand	NTN
d - Internal diameter	55 mm
D - External diameter	120 mm
B - Bearing/Inner ring width	29 mm
a min - Min position Groove	3,86 mm
a max - Max position groove	4,06 mm
rs - Min fillet radius	2 mm
rNs - Min fillet radius	0,5 mm
D3 - Max bottom groove diameter	115,21 mm
b min - Min groove width	3,1 mm
b max - Max groove width	3,4 mm
r0 max - Max bottom groove radius	0,6 mm
D4 max - Max outer diameter of assembled stop ring	129,7 mm
f - Stop ring thickness	2,82 mm
Snap ring reference	R120
Radial clearance class	CN
Mass	1,37 kg

PRODUCT PERFORMANCE
C - Dynamic load	79,5 kN
C0 - Static load	45 kN
Cu - Fatigue limit load	3,5 kN
f0 - Coefficient	13.2
Nlim - Oil lubrication limit speed	6800 tr/min
Nlim - Grease lubrication limit speed	5800 tr/min
Tmin - Min operating temperature	-40 °C
Tmax - Max operating temperature	120 °C

ABUTMENT
da min - Min shoulder diameter IR	64 mm
Da max - Max shoulder diameter OR	111 mm
ra max - Max shaft & housing fillet radius	2 mm
rNa max - Max fillet radius on segment side	0,5 mm
Ca min - Mini segment position	6,58 mm
Ca max - Max segment position	6,88 mm
Db min - Min stop ring position diameter	131,5 mm