Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71915 CE/P4AL

71915 CE/P4AL

Dimensions

d		75	mm
D		105	mm
B		16	mm
d₁		84.3	mm
d₂		81.8	mm
D₁		95.52	mm
b		2	mm
C₁		8.6	mm
C₂		2.8	mm
C₃		2.8	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		20.7	mm

Abutment dimensions

d_a	min.	79.6	mm
d_b	min.	77	mm
D_a	max.	100.4	mm
D_b	max.	103	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		86.5	mm

Calculation data

Basic dynamic load rating	C	22.5	kN
Basic static load rating	C₀	17	kN
Fatigue load limit	P_u	0.72	kN
Attainable speed for grease lubrication		17500	r/min
Attainable speed for oil-air lubrication		27000	r/min
Ball diameter	D_w	9.525	mm
Number of balls	z	23
Reference grease quantity	G_ref	4.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		54	N/µm
Preload class B	G_B	361	N
Static axial stiffness, preload class B		86	N/µm
Preload class C	G_C	722	N
Static axial stiffness, preload class C		118	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	8.5

Mass

Mass bearing

0.34

Model Number: 71915 CE/P4AL
Inner Diameter：75mm Outer Diameter：105mm Width：16mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2021-06-04
Application:ultra-quiet generators,pump accessories,shaft milling machine,car and accessories,industry test,wire industry,Hydraulic Couplings,machine tool spindle,motor,Vertical pull,ventilation equipment
Similar models:71915 CD/P4A 71915 ACD/HCP4A S71915 CD/HCP4A 71915 CB/P4AL 71915 ACD/P4A S71915 CE/P4A 71915 ACE/P4A 71915 ACD/HCP4AH1 71915 ACD/P4AL 71915 CE/P4A
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