71922 ACB/P4AL - High precision angular contact ball bearing - Precision ball bearing

Product model	71922 ACB/P4AL
d	110 mm
D	150 mm
B	20 mm
Limiting speed	15000 r/min
d1	124.42mm
d2	122.5mm
D2	139mm
Width of lubricating groove (b)	2.2mm
C1	10.9mm
Distance from the side of the outer ring to the O-ring(C2)	4.5mm
Distance from the side of the outer ring to the O-ring(C3)	2.9mm
r1,2	min.1.1mm
r3,4	min.0.6mm
a	40.5mm
da	min.116mm
db	min.116mm
Da	max.144mm
Db	max.146.8mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.6mm
Pu	0.95kN
Oil and gas lubrication can reach the speed	10000r/min
Contact angle(α)	25°
Ball diameter(Dw)	8.731mm
The number of pages(z)	37
Reference grease quantity(Gref)	11.43cm³
Preload level A(GA)	145N
Static axial stiffness of preload level A	174N/µm
Preload class B(GB)	290N
Static axial stiffness of preload class B	221N/µm
Preload level C(GC)	870N
Static axial stiffness of preload level C	338N/µm
Correction factor depends on bearing series and size (f)	1.14
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)	1.07
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	0.9kg

71922 ACB/P4AL / High precision angular contact ball bearing / Precision ball bearing