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3304AC3 - SNR


Double row angular contact ball bearing, polyamide cage, open


CAD file

Technical datasheet

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Internal diameter d 20 mm
External diameter D 52 mm
Bearing/Inner ring width(B) 22,2 mm
External diameter inner ring d1 30 mm
Inner diameter outer ring D1 45 mm
Charge load application point a 26,4 mm
Contact angle α 25 °
Min fillet radius rs 1,1 mm
Radial clearance class C3
Precision class P0
Mass 0,208 kg
Brand SNR
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Dynamic load, C 22,9 kN
Static load, C0 15,1 kN
Fatigue limit load, Cu 0,95 kN
Coefficient f0 13.6
Reference thermal speed (Nref) 9100 tr/min
Mechanical Limit Speed Nlim 13000 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,393 Hz
Characteristic rolling element frequency, BSF 4,044 Hz
Characteristic outer ring frequency, BPF0 3,145 Hz
Characteristic inner ring frequency, BPFI 4,855 Hz


Min shoulder diameter IR da min 26,5 mm
Max shoulder diameter OR Da max 45,5 mm
Max shaft & housing fillet radius ra max 1 mm
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