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6313C4 - NTN Single Row Deep Groove Ball Bearing

6313C4 - NTN Single Row Deep Groove Ball Bearing

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6313C4 bearing reference breakdown

Below we will break down the 6313C4 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:


C4 - Indicates a radial internal clearance, C4 class

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


63 - Metric, Light Series Deep Groove Ball Bearing
13 - 65mm Bore Size

d (mm) 65 D (mm) 140 B (mm) 33
rs min (mm) 2.1 Mass (kg) 2.08
da min (mm) 76 Da max (mm) 129 ra max (mm) 2
Dynamic load C (kN) 92.5 Static load C0 (kN) 60 Fatigue limit load Cu (kN) 2.7
f0 13.2 Nlim (oil) (Tr/min) 5800 Nlim (grease) (Tr/min) 4900
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.38
Characteristic rolling element frequency BSF (Hz) 4.07 Characteristic outer ring frequency BPF0 (Hz) 3.07 Characteristic inner ring frequency BPFI (Hz) 4.93
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