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One direction thrust ball bearings

51308 - SNR

51308

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter40 mm
D - External diameter78 mm
D1 - Inner diameter outer ring42 mm
d1 - External diameter inner ring78 mm
T - Thrust bearing height26 mm
rs - Min fillet radius1 mm
Mass0,54 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating69,3 kN
C0a - Static axial load rating135 kN
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)6 Hz
BPFI - Over rolling frequency on inner (60 rpm)6 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,372 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,186 Hz
FTF - Rotational frequency - cage (60 rpm)0,5 Hz
ABUTMENT
ra max - Max shaft & housing fillet radius1 mm
Da max - Max shoulder diameter OR55 mm
da min - Min shoulder diameter IR63 mm
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