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6318C3 - NTN Single Row Deep Groove Ball Bearing

6318C3 - NTN Single Row Deep Groove Ball Bearing

Regular price £76.41
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6318C3 bearing reference breakdown

Below we will break down the 6318C3 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:


C3 - Denotes a radial internal clearance of the C3 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
18 - 90mm Bore Size

d (mm) 90 D (mm) 190 B (mm) 43
rs min (mm) 3 Mass (kg) 4.91
da min (mm) 103 Da max (mm) 177 ra max (mm) 2.5
Dynamic load C (kN) 143 Static load C0 (kN) 107 Fatigue limit load Cu (kN) 4.1
f0 13.3 Nlim (oil) (Tr/min) 4200 Nlim (grease) (Tr/min) 3600
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.39
Characteristic rolling element frequency BSF (Hz) 4.18 Characteristic outer ring frequency BPF0 (Hz) 3.09 Characteristic inner ring frequency BPFI (Hz) 4.91
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