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1210 - SNR

1210

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter50 mm
D - External diameter90 mm
B - Bearing/Inner ring width20 mm
d1 - External diameter inner ring62,7 mm
D1 - Inner diameter outer ring77 mm
rs - Min fillet radius1,1 mm
Radial clearance classCN
Precision classP0
Mass0,527 kg
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PRODUCT PERFORMANCE
C - Dynamic load22,5 kN
C0 - Static load8,1 kN
Cu - Fatigue limit load0,37 kN
e - Coefficient0.2
Y0 - Static axial load coefficient3.29
Y1 - Lower axial load coefficient3.14
Y2 - Upper axial load coefficient4.85
N ref - Reference thermal speed7600 tr/min
N lim - Mechanical Limit Speed9800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)7,775 Hz
BPFI - Over rolling frequency on inner (60 rpm)10,225 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,149 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,575 Hz
FTF - Rotational frequency - cage (60 rpm)0,432 Hz
ABUTMENT
da min - Min shoulder diameter IR56,5 mm
Da max - Max shoulder diameter OR83,5 mm
ra max - Max shaft & housing fillet radius1 mm
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