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3211A - SNR


Double row angular contact ball bearing, polyamide cage, open


CAD file

Technical datasheet

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Internal diameter d 55 mm
External diameter D 100 mm
Bearing/Inner ring width(B) 33,3 mm
External diameter inner ring d1 68,7 mm
Inner diameter outer ring D1 85,3 mm
Charge load application point a 49,9 mm
Contact angle α 25 °
Min fillet radius rs 1,5 mm
Radial clearance class CN
Precision class P0
Mass 0,876 kg
Brand SNR
Product classification image


Dynamic load, C 55,5 kN
Static load, C0 49,4 kN
Fatigue limit load, Cu 2,95 kN
Coefficient f0 15.0
Reference thermal speed (Nref) 5500 tr/min
Mechanical Limit Speed Nlim 6400 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,421 Hz
Characteristic rolling element frequency, BSF 5,562 Hz
Characteristic outer ring frequency, BPF0 4,206 Hz
Characteristic inner ring frequency, BPFI 5,794 Hz


Min shoulder diameter IR da min 63 mm
Max shoulder diameter OR Da max 92 mm
Max shaft & housing fillet radius ra max 1,5 mm
Product classification image