Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71926 CD/P4AL

71926 CD/P4AL

Dimensions

d		130	mm
D		180	mm
B		24	mm
d₁		145.4	mm
d₂		145.4	mm
D₁		164.6	mm
b		2.6	mm
C₁		13.3	mm
C₂		5.6	mm
C₃		2.9	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		32.8	mm

Abutment dimensions

d_a	min.	137	mm
d_b	min.	137	mm
D_a	max.	173	mm
D_b	max.	176	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm
d_n		149.5	mm

Calculation data

Basic dynamic load rating	C	92.3	kN
Basic static load rating	C₀	108	kN
Fatigue load limit	P_u	3.65	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	27
Reference grease quantity	G_ref	20.4	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	350	N
Static axial stiffness, preload class A		137	N/µm
Preload class B	G_B	700	N
Static axial stiffness, preload class B		188	N/µm
Preload class C	G_C	1400	N
Static axial stiffness, preload class C		266	N/µm
Preload class D	G_D	2800	N
Static axial stiffness, preload class D		391	N/µm
Calculation factors
Calculation factor	f	1.25
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.4

Mass

Mass bearing

1.55

Model Number: 71926 CD/P4AL
Inner Diameter：130mm Outer Diameter：180mm Width：24mm
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：2026-04-16
Application:Spectrum Products,lifting upgrade,dye pigments,Liposuction device,sheet industry,relay,bio-chemical,Cutting Machine,reinforced machinery,Hydraulic Equipment,spectrometer
Similar models:71926 CD/HCP4A S71926 ACD/P4A S71926 CD/P4A 71926 ACD/HCP4AH1 71926 ACD/P4AH1 S71926 CD/HCP4A S71926 ACD/HCP4A 71926 CD/HCP4AH1 71926 ACD/P4A 71926 ACD/HCP4AL
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