NU209 - NTN Single Row Cylindrical Roller Bearing

  • £27.54

NU209 bearing reference breakdown

Below we will break down the NU209 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 an NU type single row cylindrical roller bearing

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


2 - Light Duty Series
09 - 45mm Bore Size

d (mm) 45 D (mm) 85 B (mm) 19
E (mm) 75 F (mm) 55 rs min (mm) 1.1
r1s min (mm) 1.1 Mass (without HJ ring) (kg) 0.43
da min (mm) 51.5 Da max (mm) 78.5 ra max (mm) 1
r1a max (mm) 1 db min (mm) 57 da max (mm) 54
Dynamic load C (kN) 46 Static load C0 (kN) 47 Fatigue limit load Cu (kN) 5.7
Nlim (oil) (Tr/min) 9900 Nlim (grease) (Tr/min) 8400 Min operating temperature Tmin (°C) -40
Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.42 Characteristic rolling element frequency BSF (Hz) 6.35
Characteristic outer ring frequency BPF0 (Hz) 5.92 Characteristic inner ring frequency BPFI (Hz) 8.08

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