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NA0-25X40X17 - NTN Machined Separable Needle Roller Bearing With Inner Ring

NA0-25X40X17 - NTN Machined Separable Needle Roller Bearing With Inner Ring

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NA0-25X40X17 bearing reference breakdown

Below we will break down the NA0-25X40X17 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

NA0 - Machined Ring Needle Roller Bearing Seperable Type w/o inner ring

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

Body

25 - 25mm Bore Size
40 - 40mm Outside Diameter
17 - 17mm Width

d (mm) 20 D (mm) 40 C (mm) 17
F (mm) 30 E (mm) 35 rs min (mm) 0.3
Dw (mm) 2.5 Lw (mm) 13.8 Mass (kg) 0.09
da min (mm) 27 db (mm) 34.4 Da max (mm) 38
Db (mm) 30.6 ras max (mm) 0.3
Cr (kN) 19.4 C0r (kN) 32.5 Nlim (grease) (Tr/min) 9000
Nlim (oil) (Tr/min) 13000 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) 12.92 Characteristic outer ring frequency BPF0 (Hz) 11.08
Characteristic inner ring frequency BPFI (Hz) 12.92
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