7200 ACD/P4A - High precision angular contact ball bearing - Precision ball bearing

Product model	7200 ACD/P4A
d	10 mm
D	30 mm
B	9 mm
Limiting speed	80000 r/min
d1	17.3mm
d2	17.3mm
D1	23.1mm
r1,2	min.0.6mm
r3,4	min.0.3mm
a	9.3mm
da	min.14.2mm
db	min.14.2mm
Da	max.25.8mm
Db	max.27.6mm
Fillet radius(ra)	max.0.6mm
Fillet radius(rb)	max.0.3mm
Fuel injector position(dn)	18.3mm
Pu	0.078kN
Oil and gas lubrication can reach the speed	53000r/min
Contact angle(α)	25°
Ball diameter(Dw)	4.762mm
The number of pages(z)	10
Reference grease quantity(Gref)	0.357cm³
Preload level A(GA)	27N
Static axial stiffness of preload level A	35N/µm
Preload class B(GB)	54N
Static axial stiffness of preload class B	45N/µm
Preload level C(GC)	108N
Static axial stiffness of preload level C	59N/µm
Preload level D(GD)	216N
Static axial stiffness of preload level D	78N/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)	1.01
Correction factor, preload class C(f2C)	1.02
Correction factor, preload class D(f2D)	1.05
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	0.032kg

7200 ACD/P4A / High precision angular contact ball bearing / Precision ball bearing