7011 ACE/P4AH1 - High precision angular contact ball bearing - Precision ball bearing

Product model	7011 ACE/P4AH1
d	55 mm
D	90 mm
B	18 mm
Limiting speed	30000 r/min
d1	67.73mm
d2	65.6mm
D1	77.25mm
Lubrication hole diameter (K)	0.5mm
C1	6.3mm
r1,2	min.1.1mm
r3,4	min.0.6mm
a	26.1mm
da	min.61mm
db	min.61mm
Da	max.84mm
Db	max.85.8mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.6mm
Fuel injector position(dn)	69.6mm
Pu	0.49kN
Oil and gas lubrication can reach the speed	19000r/min
Contact angle(α)	25°
Ball diameter(Dw)	7.938mm
The number of pages(z)	24
Reference grease quantity(Gref)	5cm³
Preload level A(GA)	140N
Static axial stiffness of preload level A	116N/µm
Preload class B(GB)	430N
Static axial stiffness of preload class B	174N/µm
Preload level C(GC)	860N
Static axial stiffness of preload level C	226N/µm
Correction factor depends on bearing series and size (f)	1.07
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
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	0.39kg

7011 ACE/P4AH1 / High precision angular contact ball bearing / Precision ball bearing