7011 ACB/P4AL - High precision angular contact ball bearing - Precision ball bearing

Product model	7011 ACB/P4AL
d	55 mm
D	90 mm
B	18 mm
Limiting speed	30000 r/min
d1	68.18mm
d2	66.65mm
D2	79.39mm
Width of lubricating groove (b)	2.2mm
C1	9mm
Distance from the side of the outer ring to the O-ring(C2)	4.3mm
Distance from the side of the outer ring to the O-ring(C3)	2.8mm
r1,2	min.1.1mm
r3,4	min.0.6mm
a	26mm
da	min.61mm
db	min.61mm
Da	max.84mm
Db	max.86.8mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.6mm
Pu	0.44kN
Oil and gas lubrication can reach the speed	19000r/min
Contact angle(α)	25°
Ball diameter(Dw)	6.747mm
The number of pages(z)	26
Reference grease quantity(Gref)	4.69cm³
Preload level A(GA)	78N
Static axial stiffness of preload level A	100N/µm
Preload class B(GB)	155N
Static axial stiffness of preload class B	128N/µm
Preload level C(GC)	470N
Static axial stiffness of preload level C	194N/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)	1.01
Correction factor, preload class C(f2C)	1.04
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	0.42kg

7011 ACB/P4AL / High precision angular contact ball bearing / Precision ball bearing