7307 - NTN Single Row Or Matched Pair of Angular Contact Ball Bearing

  • £13.19


7307 bearing reference breakdown

Below we will break down the 7307 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 body of the bearing reference is what is left after removing the suffix and the prefix:

Body

73 - Medium Series
07 - 35mm Bore Size

d (mm) 35 D (mm) 80 B (mm) 21
a (mm) 27 rs min (mm) 1.5 r1s min (mm) 1
Mass (kg) 0.46
da min (mm) 43.5 Da max (mm) 71.5 Db max (mm) 74.5
r1a max (mm) 1 ra max (mm) 1.5 db min (mm) 40.5
Dynamic load C (kN) 40 Static load C0 (kN) 26.3 Fatigue limit load Cu (kN) 1.2
Nlim (oil) (Tr/min) 13000 Nlim (grease) (Tr/min) 9800 Min operating temperature Tmin (°C) -40
Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.4 Characteristic rolling element frequency BSF (Hz) 4.09
Characteristic outer ring frequency BPF0 (Hz) 4.78 Characteristic inner ring frequency BPFI (Hz) 7.22

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