7320BG - NTN Single Row Or Matched Pair of Angular Contact Ball Bearing

  • £205.86

7320BG bearing reference breakdown

Below we will break down the 7320BG 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:


BG - Indicates a 40° contact angle, universal design

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


73 - Medium Series
20 - 100mm Bore Size

d (mm) 100 D (mm) 215 B (mm) 47
a (mm) 89.5 rs min (mm) 3 r1s min (mm) 1.1
Mass (kg) 7.32
da min (mm) 114 Da max (mm) 201 Db max (mm) 208
r1a max (mm) 1 ra max (mm) 2.5 db min (mm) 107
Dynamic load C (kN) 190 Static load C0 (kN) 178 Fatigue limit load Cu (kN) 6.4
Nlim (oil) (Tr/min) 4000 Nlim (grease) (Tr/min) 3000 Min operating temperature Tmin (°C) -40
Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.41 Characteristic rolling element frequency BSF (Hz) 4.17
Characteristic outer ring frequency BPF0 (Hz) 4.93 Characteristic inner ring frequency BPFI (Hz) 7.07

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