7001 ACE/HCP4AH - High precision angular contact ball bearing - Precision ball bearing

Product model	7001 ACE/HCP4AH
d	12 mm
D	28 mm
B	8 mm
Limiting speed	133000 r/min
d1	17.5mm
d2	16.5mm
D1	22.45mm
Lubrication hole diameter (K)	0.5mm
C1	4.9mm
r1,2	min.0.3mm
r3,4	min.0.15mm
a	8.8mm
da	min.14mm
db	min.14mm
Da	max.26mm
Db	max.26.6mm
Fillet radius(ra)	max.0.3mm
Fillet radius(rb)	max.0.15mm
Fuel injector position(dn)	18.5mm
Pu	0.04kN
Oil and gas lubrication can reach the speed	88000r/min
Contact angle(α)	25°
Ball diameter(Dw)	3.969mm
The number of pages(z)	12
Reference grease quantity(Gref)	0.31cm³
Preload level A(GA)	28N
Static axial stiffness of preload level A	37N/µm
Preload class B(GB)	85N
Static axial stiffness of preload class B	56N/µm
Preload level C(GC)	170N
Static axial stiffness of preload level C	73N/µm
Correction factor depends on bearing series and size (f)	1.02
The correction factor depends on the contact angle(f1)	0.99
Correction factor, preload class A(f2A)	1
Correction factor, preload class B(f2B)	1.03
Correction factor, preload class C(f2C)	1.06
Correction factor of hybrid ceramic bearing(fHC)	1.01
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
Weight	0.019kg

7001 ACE/HCP4AH / High precision angular contact ball bearing / Precision ball bearing