7008.HV.U.J94 - SNR High Precision Angular Contact Ball Bearing

  • £68.24


7008.HV.U.J94 bearing reference breakdown

Below we will break down the 7008.HV.U.J94 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

U - Universal Single Bearing
H - 25° Contact Angle
V - Laminated Phenolic Cage Centered On Outer Ring
J94 - Which indicates preloads (Light, Medium, Heavy) for standard range

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

Body

70 - Extra Light Series
08 - 40mm Bore Size

d (mm) 40 D (mm) 68 B (mm) 15
d1 (mm) 49.2 D1 (mm) 59 D2 (mm) 62.7
a (mm) 20 rs min (mm) 1 r1s min (mm) 0.6
f0 15.58 Mass (kg) 0.18
da min (mm) 45.5 db min (mm) 45.5 Da max (mm) 62.5
Db max (mm) 62.5 r1a max (mm) 0.6 ra max (mm) 1
D6 (mm) 51.8
Dynamic load C (kN) 20.2 Static load C0 (kN) 16 Fatigue limit load Cu (kN) 0.91
Nlim (oil) (Tr/min) 30000 Nlim (grease) (Tr/min) 19500 Axial displacement K Factor 0.6
Preload level 9 Preload value (kN) 1.1 Axial rigidity (N/µm) 269
Radial rigidity (N/µm) 488 Min operating temperature Tmin (°C) -30 Max operating temperature Tmax (°C) 120
Characteristic cage frequency FTF (Hz) 0.43 Characteristic rolling element frequency BSF (Hz) 6.68 Characteristic outer ring frequency BPF0 (Hz) 7.8
Characteristic inner ring frequency BPFI (Hz) 10.2 Preload level 9

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