NK37/20R+1R32X37X20 - NTN Machined Needle Roller Bearing With Inner Ring

  • £11.91


NK37/20R+1R32X37X20 bearing reference breakdown

Below we will break down the NK37/20R+1R32X37X20 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:

Prefix

NK - Light Series Machined Ring Needle Roller Bearing
d (mm) 32 D (mm) 47 C (mm) 20
F (mm) 37 rs min (mm) 0.3 s max (mm) 0.5
Dw (mm) 3 Lw (mm) 15.8 k (mm) 3
Mass (kg) 0.12
da min (mm) 34 Da max (mm) 45 ras max (mm) 0.3
Cr (kN) 25.3 C0r (kN) 43.5 Nlim (grease) (Tr/min) 7500
Nlim (oil) (Tr/min) 11000 Min operating temperature Tmin (°C) -20 Max operating temperature Tmax (°C) 120
Characteristic cage frequency FTF (Hz) 0.46 Characteristic rolling element frequency BSF (Hz) 13.26 Characteristic outer ring frequency BPF0 (Hz) 11.56
Characteristic inner ring frequency BPFI (Hz) 13.44

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