Self-aligning ball bearing, pressed steel cage, open
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Product information
PRODUCT DEFINITION | |
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Brand | SNR |
d - Internal diameter | 25 mm |
D - External diameter | 52 mm |
B - Bearing/Inner ring width | 15 mm |
d1 - External diameter inner ring | 33,3 mm |
D1 - Inner diameter outer ring | 43,1 mm |
rs - Min fillet radius | 1 mm |
Radial clearance class | CN |
Precision class | P0 |
Mass | 0,139 kg |
PRODUCT PERFORMANCE | |
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C - Dynamic load | 11,9 kN |
C0 - Static load | 3,3 kN |
Cu - Fatigue limit load | 0,15 kN |
e - Coefficient | 0.27 |
Y0 - Static axial load coefficient | 2.43 |
Y1 - Lower axial load coefficient | 2.32 |
Y2 - Upper axial load coefficient | 3.59 |
N ref - Reference thermal speed | 13000 tr/min |
N lim - Mechanical Limit Speed | 18000 tr/min |
Tmin - Min operating temperature | -40 °C |
Tmax - Max operating temperature | 120 °C |
BEARING FREQUENCIES | |
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BPFO - Over rolling frequency on outer ring (60 rpm) | 4,887 Hz |
BPFI - Over rolling frequency on inner (60 rpm) | 7,113 Hz |
BSF - Over rolling frequency on rolling element (60 rpm) | 5,12 Hz |
BRF - Rotational frequency – rolling element (60 rpm) | 2,56 Hz |
FTF - Rotational frequency - cage (60 rpm) | 0,407 Hz |
ABUTMENT | |
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da min - Min shoulder diameter IR | 30 mm |
Da max - Max shoulder diameter OR | 47 mm |
ra max - Max shaft & housing fillet radius | 1 mm |