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1209KC3 - SNR


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


CAD file

Technical datasheet

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Internal diameter d 45 mm
External diameter D 85 mm
Bearing/Inner ring width(B) 19 mm
External diameter inner ring d1 57,7 mm
Inner diameter outer ring D1 72,1 mm
Min fillet radius rs 1,1 mm
Associated sleeve reference H209
Coef e 0.21
Lower axial load coef (Y1) 2.98
Upper axial load coef (Y2) 4.6
Static axial load coef (Y0) 3.12
Radial clearance class C3
Precision class P0
Mass 0,456 kg
Brand SNR
Product classification image


Dynamic load, C 21,5 kN
Static load, C0 7,3 kN
Fatigue limit load, Cu 0,33 kN
Reference thermal speed (Nref) 8100 tr/min
Mechanical Limit Speed Nlim 11000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,427 Hz
Characteristic rolling element frequency, BSF 6,612 Hz
Characteristic outer ring frequency, BPF0 6,828 Hz
Characteristic inner ring frequency, BPFI 9,172 Hz


Min shoulder diameter IR da min 51,5 mm
Max shoulder diameter IR da max 57 mm
Min diameter for Sleeve db 48 mm
Min length fro Sleeve Ce 5 mm
Max shoulder diameter OR Da max 78,5 mm
Max shaft & housing fillet radius ra max 1 mm
Product classification image