NU221.EG15 - SNR Single Row Cylindrical Roller Bearing

  • £143.01

NU221.EG15 bearing reference breakdown

Below we will break down the NU221.EG15 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 suffix can be found at the end of the bearing number:


E - Increased Load Capacity
G15 - Injection Moulded Cage Of Glass Fibre Reinforced Polyamide 6,6, Rolling Element Centred

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


2 - Light Duty Series
21 - 105mm Bore Size

d (mm) 105 D (mm) 190 B (mm) 36
E (mm) 171.5 F (mm) 125.5 rs min (mm) 2.1
r1s min (mm) 2.1 Mass (without HJ ring) (kg) 3.67 D1 (mm) 165.1
da min (mm) 116 Da max (mm) 179 ra max (mm) 2
r1a max (mm) 2 da max (mm) 124
Dynamic load C (kN) 263 Static load C0 (kN) 323 Fatigue limit load Cu (kN) 35
Nref (Tr/min) 3400 Nlim (Tr/min) 4300 Min operating temperature Tmin (°C) -20
Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.42 Characteristic rolling element frequency BSF (Hz) 6.3
Characteristic outer ring frequency BPF0 (Hz) 7.18 Characteristic inner ring frequency BPFI (Hz) 9.82

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