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6308ZZ - SNR


Deep groove ball bearing, radial contact, pressed steel cage, shields on both sides

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.


3D file

Technical datasheet

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d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width23 mm
d1 - External diameter inner ring54,4 mm
D1 - Inner diameter outer ring77,2 mm
rs - Min fillet radius1,5 mm
Radial clearance classCN
Mass0,647 kg
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C - Dynamic load43 kN
C0 - Static load24,1 kN
Cu - Fatigue limit load1,1 kN
f0 - Coefficient13.2
Nref - Reference thermal speed9000 tr/min
Nlim - Mechanical Limit Speed10000 tr/min
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
BPFO - Characteristic outer ring frequency (60 rpm)3,079 Hz
BPFI - Characteristic inner ring frequency (60 rpm)4,921 Hz
FTF - Characteristic cage frequency (60 rpm)0,385 Hz
BSF - Characteristic rolling element frequency (60 rpm)4,113 Hz
da min - Min shoulder diameter IR48 mm
da max - Max shoulder diameter IR54,4 mm
Da max - Max shoulder diameter OR82 mm
ra max - Max shaft & housing fillet radius1,5 mm
Product classification image
Calcul factors image

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