71919 ACB/P4AL - High precision angular contact ball bearing - Precision ball bearing

Product model	71919 ACB/P4AL
d	95 mm
D	130 mm
B	18 mm
Limiting speed	18000 r/min
d1	107.94mm
d2	106.36mm
D2	120.7mm
Width of lubricating groove (b)	2.2mm
C1	9.3mm
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	35.4mm
da	min.101mm
db	min.101mm
Da	max.124mm
Db	max.126.8mm
Fillet radius(ra)	max.1mm
Fillet radius(rb)	max.0.6mm
Pu	0.71kN
Oil and gas lubrication can reach the speed	12000r/min
Contact angle(α)	25°
Ball diameter(Dw)	7.144mm
The number of pages(z)	38
Reference grease quantity(Gref)	7.5cm³
Preload level A(GA)	105N
Static axial stiffness of preload level A	147N/µm
Preload class B(GB)	210N
Static axial stiffness of preload class B	188N/µm
Preload level C(GC)	630N
Static axial stiffness of preload level C	286N/µm
Correction factor depends on bearing series and size (f)	1.13
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	0.61kg

71919 ACB/P4AL / High precision angular contact ball bearing / Precision ball bearing