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1222 - SNR

1222

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter110 mm
D - External diameter200 mm
B - Bearing/Inner ring width38 mm
d1 - External diameter inner ring140,6 mm
D1 - Inner diameter outer ring173,1 mm
rs - Min fillet radius2,1 mm
Radial clearance classCN
Precision classP0
Mass5,32 kg
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PRODUCT PERFORMANCE
C - Dynamic load87 kN
C0 - Static load38,6 kN
Cu - Fatigue limit load1,4 kN
e - Coefficient0.17
Y0 - Static axial load coefficient3.82
Y1 - Lower axial load coefficient3.64
Y2 - Upper axial load coefficient5.64
N ref - Reference thermal speed4300 tr/min
N lim - Mechanical Limit Speed4300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)8,739 Hz
BPFI - Over rolling frequency on inner (60 rpm)11,261 Hz
BSF - Over rolling frequency on rolling element (60 rpm)7,754 Hz
BRF - Rotational frequency – rolling element (60 rpm)3,877 Hz
FTF - Rotational frequency - cage (60 rpm)0,437 Hz
ABUTMENT
da min - Min shoulder diameter IR121 mm
Da max - Max shoulder diameter OR189 mm
ra max - Max shaft & housing fillet radius2 mm
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