6306ZNR

PRODUCT DEFINITION
Brand	NTN
d - Internal diameter	30 mm
D - External diameter	72 mm
B - Bearing/Inner ring width	19 mm
a min - Min position Groove	3,07 mm
a max - Max position groove	3,28 mm
rs - Min fillet radius	1,1 mm
rNs - Min fillet radius	0,5 mm
D3 - Max bottom groove diameter	68,81 mm
b min - Min groove width	1,9 mm
b max - Max groove width	2,2 mm
r0 max - Max bottom groove radius	0,6 mm
D4 max - Max outer diameter of assembled stop ring	78,6 mm
f - Stop ring thickness	1,7 mm
Snap ring reference	R72
Radial clearance class	CN
Mass	0,36 kg

PRODUCT PERFORMANCE
C - Dynamic load	29,5 kN
C0 - Static load	15 kN
Cu - Fatigue limit load	1,14 kN
f0 - Coefficient	13.3
Nlim - Oil lubrication limit speed	12000 tr/min
Nlim - Grease lubrication limit speed	10000 tr/min
Tmin - Min operating temperature	-40 °C
Tmax - Max operating temperature	120 °C

ABUTMENT
da min - Min shoulder diameter IR	36,5 mm
Da max - Max shoulder diameter OR	65,5 mm
ra max - Max shaft & housing fillet radius	1 mm
rNa max - Max fillet radius on segment side	0,5 mm
Ca min - Mini segment position	4,67 mm
Ca max - Max segment position	4,98 mm
Db min - Min stop ring position diameter	80 mm