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3309A - SNR


Double row angular contact ball bearing, polyamide cage, open


CAD file

Technical datasheet

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Internal diameter d 45 mm
External diameter D 100 mm
Bearing/Inner ring width(B) 39,7 mm
External diameter inner ring d1 62,3 mm
Inner diameter outer ring D1 81,6 mm
Charge load application point a 50,1 mm
Contact angle α 25 °
Min fillet radius rs 1,5 mm
Radial clearance class CN
Precision class P0
Mass 1,21 kg
Brand SNR
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Dynamic load, C 66,2 kN
Static load, C0 51 kN
Fatigue limit load, Cu 3,15 kN
Coefficient f0 13.9
Reference thermal speed (Nref) 5500 tr/min
Mechanical Limit Speed Nlim 6600 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,4 Hz
Characteristic rolling element frequency, BSF 4,335 Hz
Characteristic outer ring frequency, BPF0 3,197 Hz
Characteristic inner ring frequency, BPFI 4,803 Hz


Min shoulder diameter IR da min 53 mm
Max shoulder diameter OR Da max 92 mm
Max shaft & housing fillet radius ra max 1,5 mm
Product classification image