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	59,2 mm
D1 - Inner diameter outer ring	70,7 mm
rs - Min fillet radius	1,1 mm
Radial clearance class	CN
Precision class	P0
Mass	0,54 kg

PRODUCT PERFORMANCE
C - Dynamic load	35,8 kN
C0 - Static load	33,2 kN
Cu - Fatigue limit load	1,81 kN
f0 - Coefficient	15.3
N ref - Reference thermal speed	6900 tr/min
N lim - Mechanical Limit Speed	7400 tr/min
Tmin - Min operating temperature	-30 °C
Tmax - Max operating temperature	130 °C

BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)	5,121 Hz
BPFI - Over rolling frequency on inner (60 rpm)	6,879 Hz
FTF - Rotational frequency - cage (60 rpm)	0,427 Hz
BRF - Rotational frequency – rolling element (60 rpm)	3,339 Hz
BSF - Over rolling frequency on rolling element (60 rpm)	6,678 Hz

ABUTMENT
da min - Min shoulder diameter IR	52 mm
Da max - Max shoulder diameter OR	78 mm
ra max - Max shaft & housing fillet radius	1 mm