Documentation

Product information

PRODUCT DEFINITION
Brand	SNR
d - Internal diameter	45 mm
D - External diameter	85 mm
B - Bearing/Inner ring width	23 mm
d1 - External diameter inner ring	57,7 mm
D1 - Inner diameter outer ring	71,8 mm
rs - Min fillet radius	1,1 mm
Radial clearance class	CN
Precision class	P0
Mass	0,55 kg

PRODUCT PERFORMANCE
C - Dynamic load	23 kN
C0 - Static load	8,2 kN
Cu - Fatigue limit load	0,37 kN
e - Coefficient	0.31
Y0 - Static axial load coefficient	2.16
Y1 - Lower axial load coefficient	2.06
Y2 - Upper axial load coefficient	3.19
N ref - Reference thermal speed	8100 tr/min
N lim - Mechanical Limit Speed	10000 tr/min
Tmin - Min operating temperature	-40 °C
Tmax - Max operating temperature	120 °C

BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)	7,698 Hz
BPFI - Over rolling frequency on inner (60 rpm)	10,302 Hz
BSF - Over rolling frequency on rolling element (60 rpm)	6,63 Hz
BRF - Rotational frequency – rolling element (60 rpm)	3,315 Hz
FTF - Rotational frequency - cage (60 rpm)	0,428 Hz

ABUTMENT
da min - Min shoulder diameter IR	51,5 mm
Da max - Max shoulder diameter OR	78,5 mm
ra max - Max shaft & housing fillet radius	1 mm