Documentation

Product information

PRODUCT DEFINITION
Brand	SNR
d - Internal diameter	12 mm
D - External diameter	32 mm
B - Bearing/Inner ring width	10 mm
d1 - External diameter inner ring	18,2 mm
D1 - Inner diameter outer ring	25,1 mm
rs - Min fillet radius	0,6 mm
Radial clearance class	C3
Precision class	P0
Mass	0,04 kg

PRODUCT PERFORMANCE
C - Dynamic load	5,6 kN
C0 - Static load	1,27 kN
Cu - Fatigue limit load	0,06 kN
e - Coefficient	0.37
Y0 - Static axial load coefficient	1.77
Y1 - Lower axial load coefficient	1.69
Y2 - Upper axial load coefficient	2.62
N ref - Reference thermal speed	20000 tr/min
N lim - Mechanical Limit Speed	32000 tr/min
Tmin - Min operating temperature	-20 °C
Tmax - Max operating temperature	120 °C

BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)	3,917 Hz
BPFI - Over rolling frequency on inner (60 rpm)	6,083 Hz
BSF - Over rolling frequency on rolling element (60 rpm)	4,269 Hz
BRF - Rotational frequency – rolling element (60 rpm)	2,135 Hz
FTF - Rotational frequency - cage (60 rpm)	0,392 Hz

ABUTMENT
da min - Min shoulder diameter IR	16 mm
Da max - Max shoulder diameter OR	28 mm
ra max - Max shaft & housing fillet radius	0,6 mm