71915 ACD/HCP4A - High precision angular contact ball bearing - Precision ball bearing

Product model	71915 ACD/HCP4A
d	75 mm
D	105 mm
B	16 mm
Limiting speed	20000 r/min
d1	84.2mm
d2	84.2mm
D1	95.8mm
r1,2	min.1mm
r3,4	min.0.3mm
a	29.1mm
da	min.79.6mm
db	min.79.6mm
Da	max.100mm
Db	max.103mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.3mm
Fuel injector position(dn)	86.7mm
Pu	1.1kN
Oil and gas lubrication can reach the speed	13000r/min
Contact angle(α)	25°
Ball diameter(Dw)	9.525mm
The number of pages(z)	26
Reference grease quantity(Gref)	5.1cm³
Preload level A(GA)	210N
Static axial stiffness of preload level A	216N/µm
Preload class B(GB)	420N
Static axial stiffness of preload class B	283N/µm
Preload level C(GC)	840N
Static axial stiffness of preload level C	377N/µm
Preload level D(GD)	1680N
Static axial stiffness of preload level D	515N/µm
Correction factor depends on bearing series and size (f)	1.21
The correction factor depends on the contact angle(f1)	0.98
Correction factor, preload class A(f2A)	1
Correction factor, preload class B(f2B)	1.07
Correction factor, preload class C(f2C)	1.12
Correction factor, preload class D(f2D)	1.17
Correction factor of hybrid ceramic bearing(fHC)	1.04
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	0.3kg

71915 ACD/HCP4A / High precision angular contact ball bearing / Precision ball bearing