NU318C3 - NTN Single Row Cylindrical Roller Bearing

  • £161.14

NU318C3 bearing reference breakdown

Below we will break down the NU318C3 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 prefix can be found at the beginning of the bearing code:


NU - Denotes a NU type single row cylindrical roller bearing

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


C3 - Indicates 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:


3 - Medium Duty Series
18 - 90mm Bore Size

d (mm) 90 D (mm) 190 B (mm) 43
E (mm) 165 F (mm) 115 rs min (mm) 3
r1s min (mm) 3 Mass (without HJ ring) (kg) 5.46
da min (mm) 103 Da max (mm) 177 ra max (mm) 2.5
r1a max (mm) 2.5 db min (mm) 117 da max (mm) 111
Dynamic load C (kN) 240 Static load C0 (kN) 265 Fatigue limit load Cu (kN) 29.2
Nlim (oil) (Tr/min) 4300 Nlim (grease) (Tr/min) 3700 Min operating temperature Tmin (°C) -40
Max operating temperature Tmax (°C) 120

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