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2311.KC3 - SNR


Self-aligning ball bearing, pressed steel cage, tapered bore, open


CAD file

Technical datasheet

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Internal diameter d 55 mm
External diameter D 120 mm
Bearing/Inner ring width(B) 43 mm
External diameter inner ring d1 71,5 mm
Inner diameter outer ring D1 100,4 mm
Min fillet radius rs 2 mm
Associated sleeve reference H2311
Coef e 0.42
Lower axial load coef (Y1) 1.51
Upper axial load coef (Y2) 2.33
Static axial load coef (Y0) 1.58
Radial clearance class C3
Precision class P0
Mass 2,26 kg
Brand SNR
Product classification image


Dynamic load, C 75,2 kN
Static load, C0 24 kN
Fatigue limit load, Cu 1,09 kN
Reference thermal speed (Nref) 6900 tr/min
Mechanical Limit Speed Nlim 7800 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,393 Hz
Characteristic rolling element frequency, BSF 4,315 Hz
Characteristic outer ring frequency, BPF0 4,721 Hz
Characteristic inner ring frequency, BPFI 7,279 Hz


Min shoulder diameter IR da min 64 mm
Max shoulder diameter IR da max 69 mm
Min diameter for Sleeve db 61 mm
Min length fro Sleeve Ce 6 mm
Max shoulder diameter OR Da max 111 mm
Max shaft & housing fillet radius ra max 2 mm
Product classification image