Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71914 CD/HCP4AL

71914 CD/HCP4AL

Dimensions

d		70	mm
D		100	mm
B		16	mm
d₁		79.2	mm
d₂		79.2	mm
D₁		90.8	mm
b		2	mm
C₁		8.6	mm
C₂		3.5	mm
C₃		2.8	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		19.4	mm

Abutment dimensions

d_a	min.	74.6	mm
d_b	min.	74.6	mm
D_a	max.	95.4	mm
D_b	max.	98	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		81.7	mm

Calculation data

Basic dynamic load rating	C	34.5	kN
Basic static load rating	C₀	34	kN
Fatigue load limit	P_u	1.43	kN
Attainable speed for grease lubrication		16000	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	9.525	mm
Number of balls	z	24
Reference grease quantity	G_ref	4.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	130	N
Static axial stiffness, preload class A		84	N/µm
Preload class B	G_B	260	N
Static axial stiffness, preload class B		115	N/µm
Preload class C	G_C	520	N
Static axial stiffness, preload class C		164	N/µm
Preload class D	G_D	1040	N
Static axial stiffness, preload class D		239	N/µm
Calculation factors
Calculation factor	f	1.19
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.2

Mass

Mass bearing

0.28

Model Number: 71914 CD/HCP4AL
Inner Diameter：70mm Outer Diameter：100mm 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：2021-06-07
Application:pneumatic Pump,Pneumatic Actuator,special broaching machine,agrochemical,bathroom facilities,plant determination,tire industry,rolling mill roll neck and slowdown device,plastic molding,car shock absorber,expectoration machine
Similar models:71914 ACB/HCP4A 71914 ACD/P4AL S71914 CD/HCP4A 71914 CE/HCP4AH1 S71914 ACD/P4A S71914 ACE/HCP4A 71914 ACE/HCP4A 71914 CD/P4AH1 71914 ACE/P4A 71914 CB/P4AL
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