4311A - SNR Double Row Deep Groove Ball Bearing

  • £77.53

4311A bearing reference breakdown

Below we will break down the 4311A bearing reference and provide an explanation for each section provided it can actually be broken down. We can split it into 3 parts the prefix, suffix and body of the item code.

The suffix can be found at the end of the bearing number:


A - Which indicates a single row angular contact ball bearing, with a polyamide cage

The body of the bearing reference is what is left after removing the suffix and the prefix:


43 - Double Row, Medium Series
11 - 55mm Bore Size

d (mm) 55 D (mm) 120 B (mm) 43
d1 (mm) 80.3 D1 (mm) 103.5 rs min (mm) 2
Mass (kg) 2.15
da min (mm) 66 Da max (mm) 109 ra max (mm) 2
Dynamic load C (kN) 104 Static load C0 (kN) 90.1 Fatigue limit load Cu (kN) 5.2
f0 13.8 Nref (Tr/min) 5100 Nlim (Tr/min) 5000
Min operating temperature Tmin (°C) -30 Max operating temperature Tmax (°C) 130 Characteristic cage frequency FTF (Hz) 0.4
Characteristic rolling element frequency BSF (Hz) 4.62 Characteristic outer ring frequency BPF0 (Hz) 3.57 Characteristic inner ring frequency BPFI (Hz) 5.43

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