71915 ACB/HCP4AL - High precision angular contact ball bearing - Precision ball bearing

Product model	71915 ACB/HCP4AL
d	75 mm
D	105 mm
B	16 mm
Limiting speed	28000 r/min
d1	85.94mm
d2	84.55mm
D2	97.5mm
Width of lubricating groove (b)	1.5mm
C1	8.6mm
Distance from the side of the outer ring to the O-ring(C2)	3.8mm
Distance from the side of the outer ring to the O-ring(C3)	2.7mm
r1,2	min.1mm
r3,4	min.0.6mm
a	29.1mm
da	min.79.6mm
db	min.79.6mm
Da	max.100mm
Db	max.101.8mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.6mm
Pu	0.39kN
Oil and gas lubrication can reach the speed	18000r/min
Contact angle(α)	25°
Ball diameter(Dw)	6.35mm
The number of pages(z)	34
Reference grease quantity(Gref)	4.76cm³
Preload level A(GA)	80N
Static axial stiffness of preload level A	135N/µm
Preload class B(GB)	160N
Static axial stiffness of preload class B	173N/µm
Preload level C(GC)	480N
Static axial stiffness of preload level C	262N/µm
Correction factor depends on bearing series and size (f)	1.11
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)	1.08
Correction factor of hybrid ceramic bearing(fHC)	1.01
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	0.34kg

71915 ACB/HCP4AL / High precision angular contact ball bearing / Precision ball bearing