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7007 ACD/HCP4AH - High precision angular contact ball bearing - Precision ball bearing

Product model7007 ACD/HCP4AH
d35 mm
D62 mm
B14 mm
Limiting speed38000 r/min
d143.7mm
d243.7mm
D153.3mm
Lubrication hole diameter (K)0.5mm
C18.4mm
r1,2min.1mm
r3,4min.0.3mm
a18.5mm
damin.39.6mm
dbmin.39.6mm
Damax.57.4mm
Dbmax.60mm
Fillet radius(ra)max.1mm
Fillet radius(rb)max.0.3mm
Fuel injector position(dn)45.3mm
Pu0.28kN
Oil and gas lubrication can reach the speed24000r/min
Contact angle(α)25°
Ball diameter(Dw)7.938mm
The number of pages(z)16
Reference grease quantity(Gref)1.98cm³
Preload level A(GA)90N
Static axial stiffness of preload level A95N/µm
Preload class B(GB)180N
Static axial stiffness of preload class B123N/µm
Preload level C(GC)360N
Static axial stiffness of preload level C160N/µm
Preload level D(GD)720N
Static axial stiffness of preload level D211N/µm
Correction factor depends on bearing series and size (f)1.06
The correction factor depends on the contact angle(f1)0.99
Correction factor, preload class A(f2A)1
Correction factor, preload class B(f2B)1.02
Correction factor, preload class C(f2C)1.05
Correction factor, preload class D(f2D)1.08
Correction factor of hybrid ceramic bearing(fHC)1.02
Limit value (e)0.68
Axial load factor (single shaft, tandem shaft)(Y2)0.87
Axial load factor (single shaft, tandem shaft)(Y0)0.38
Axial load factor (single shaft, tandem shaft)(X2)0.41
Axial load factor (back to back, face to face) (Y1)0.92
Axial load factor (back to back, face to face) (Y2)1.41
Axial load factor (back to back, face to face) (Y0)0.76
Radial load factor (back to back, face to face) (X2)0.67
Weight0.13kg

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7007 ACD/HCP4AH / High precision angular contact ball bearing / Precision ball bearing