7409BG - NTN Single Row Or Matched Pair of Angular Contact Ball Bearing

  • £90.32


7409BG bearing reference breakdown

Below we will break down the 7409BG 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:

Suffix

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:

Body

74 - Heavy Series
09 - 45mm Bore Size

d (mm) 45 D (mm) 120 B (mm) 29
rs min (mm) 2 r1s min (mm) 1 Mass (kg) 1.49
da min (mm) 265 Da max (mm) 110 Db max (mm) 114.5
r1a max (mm) 1 ra max (mm) 1
Dynamic load C (kN) 74.7 Static load C0 (kN) 49.2 Fatigue limit load Cu (kN) 2.24
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) 3.7 Characteristic outer ring frequency BPF0 (Hz) 4.01 Characteristic inner ring frequency BPFI (Hz) 5.99

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