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Double-row self-aligning ball bearings

1217 - SNR

1217

Self-aligning ball bearing, pressed steel cage, open

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter85 mm
D - External diameter150 mm
B - Bearing/Inner ring width28 mm
d1 - External diameter inner ring107,3 mm
D1 - Inner diameter outer ring130,4 mm
rs - Min fillet radius2 mm
Radial clearance classCN
Precision classP0
Mass2,035 kg
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PRODUCT PERFORMANCE
C - Dynamic load48,6 kN
C0 - Static load20,8 kN
Cu - Fatigue limit load0,87 kN
e - Coefficient0.17
Y0 - Static axial load coefficient3.87
Y1 - Lower axial load coefficient3.69
Y2 - Upper axial load coefficient5.71
N ref - Reference thermal speed5000 tr/min
N lim - Mechanical Limit Speed5700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)9,24 Hz
BPFI - Over rolling frequency on inner (60 rpm)11,76 Hz
BSF - Over rolling frequency on rolling element (60 rpm)8,162 Hz
BRF - Rotational frequency – rolling element (60 rpm)4,081 Hz
FTF - Rotational frequency - cage (60 rpm)0,44 Hz
ABUTMENT
da min - Min shoulder diameter IR94 mm
Da max - Max shoulder diameter OR141 mm
ra max - Max shaft & housing fillet radius2 mm
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