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4207A - SNR

4207A

Double row deep groove ball bearing, polyamide cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter35 mm
D - External diameter72 mm
B - Bearing/Inner ring width23 mm
d1 - External diameter inner ring47,8 mm
D1 - Inner diameter outer ring59,2 mm
rs - Min fillet radius1,1 mm
Radial clearance classCN
Precision classP0
Mass0,4 kg
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PRODUCT PERFORMANCE
C - Dynamic load32,2 kN
C0 - Static load26,3 kN
Cu - Fatigue limit load1,46 kN
f0 - Coefficient14.5
N ref - Reference thermal speed8700 tr/min
N lim - Mechanical Limit Speed9000 tr/min
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature130 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,11 Hz
BPFI - Over rolling frequency on inner (60 rpm)5,89 Hz
FTF - Rotational frequency - cage (60 rpm)0,411 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,72 Hz
BSF - Over rolling frequency on rolling element (60 rpm)5,439 Hz
ABUTMENT
da min - Min shoulder diameter IR42 mm
Da max - Max shoulder diameter OR65 mm
ra max - Max shaft & housing fillet radius1 mm
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