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3208A - SNR

3208A

Double row angular contact ball bearing, polyamide cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter40 mm
D - External diameter80 mm
B - Bearing/Inner ring width30,2 mm
d1 - External diameter inner ring48 mm
D1 - Inner diameter outer ring71 mm
a - Charge load application point40,6 mm
α - Contact angle25 °
rs - Min fillet radius1,1 mm
Radial clearance classCN
Precision classP0
Mass0,527 kg
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PRODUCT PERFORMANCE
C - Dynamic load46,2 kN
C0 - Static load37,1 kN
Cu - Fatigue limit load2,29 kN
f0 - Coefficient14.4
N ref - Reference thermal speed7000 tr/min
N lim - Mechanical Limit Speed8200 tr/min
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)4,101 Hz
BPFI - Over rolling frequency on inner (60 rpm)5,899 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,876 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,438 Hz
FTF - Rotational frequency - cage (60 rpm)0,41 Hz
ABUTMENT
da min - Min shoulder diameter IR46,5 mm
Da max - Max shoulder diameter OR73,5 mm
ra max - Max shaft & housing fillet radius1 mm
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