7002 ACD/P4AH - High precision angular contact ball bearing - Precision ball bearing

Product model	7002 ACD/P4AH
d	15 mm
D	32 mm
B	9 mm
Limiting speed	75000 r/min
d1	20.6mm
d2	20.6mm
D1	26.4mm
Lubrication hole diameter (K)	0.5mm
C1	5.35mm
r1,2	min.0.3mm
r3,4	min.0.2mm
a	10.1mm
da	min.17mm
db	min.17mm
Da	max.30mm
Db	max.30.6mm
Fillet radius(ra)	max.0.3mm
Fillet radius(rb)	max.0.2mm
Fuel injector position(dn)	21.5mm
Pu	0.098kN
Oil and gas lubrication can reach the speed	50000r/min
Contact angle(α)	25°
Ball diameter(Dw)	4.762mm
The number of pages(z)	12
Reference grease quantity(Gref)	0.39cm³
Preload level A(GA)	30N
Static axial stiffness of preload level A	41N/µm
Preload class B(GB)	60N
Static axial stiffness of preload class B	53N/µm
Preload level C(GC)	120N
Static axial stiffness of preload level C	69N/µm
Preload level D(GD)	240N
Static axial stiffness of preload level D	92N/µm
Correction factor depends on bearing series and size (f)	1.03
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
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	0.03kg

7002 ACD/P4AH / High precision angular contact ball bearing / Precision ball bearing