Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71926 ACD/HCP4A

S71926 ACD/HCP4A

Dimensions

d		130	mm
D		180	mm
B		24	mm
d₁		145.4	mm
d₂		145.4	mm
D₂		168.25	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		48.3	mm

Abutment dimensions

d_a	min.	137	mm
d_a	max.	144.8	mm
d_b	min.	137	mm
d_b	max.	144.8	mm
D_a	max.	173	mm
D_b	max.	176	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	87.1	kN
Basic static load rating	C₀	102	kN
Fatigue load limit	P_u	3.45	kN
Attainable speed for grease lubrication		7500	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	27
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	540	N
Static axial stiffness, preload class A		361	N/µm
Preload class B	G_B	1080	N
Static axial stiffness, preload class B		474	N/µm
Preload class C	G_C	2160	N
Static axial stiffness, preload class C		633	N/µm
Preload class D	G_D	4320	N
Static axial stiffness, preload class D		866	N/µm
Calculation factors
Calculation factor	f	1.25
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

1.31

Model Number: S71926 ACD/HCP4A
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:Blood coagulation reagent,Ball screw,Traffic Fire Protection Equipment Security equipment,stamping die and its equipment,Hydraulic Hose,surgical instruments,Spectrum Products,defogging and degreasing,decoration machinery,marine test,Cylinder Special
Similar models:71926 ACD/HCP4AL 71926 CD/HCP4AL 71926 CD/P4A S71926 CD/P4A 71926 ACD/HCP4AH1 71926 ACD/P4A 71926 CD/P4AH1 71926 CD/HCP4AH1 71926 CD/HCP4A S71926 CD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13614	34.925	53.49	7.95	Seals
401301	117	-	-	Seals
415503	1467	-	-	Seals
52226	110	190	80	Bearings, units and housings
71928 CD/P4AH1	140	190	24	Bearings, units and housings
7320 BECCM	100	215	47	Bearings, units and housings
75x130x12 HMSA10 RG	75	130	12	Seals
99048	76.2	84.963	20.6502	Seals
FSNL 615 TURU	65	-	-	Bearings, units and housings
OKC 840	840		-
W 619/6-2Z	6	15	5	Bearings, units and housings
WS 81126	130		9	Bearings, units and housings

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Hot number： 15041 22446 TQO design 53311 + U 311 53320 + U 320 57523 7408 BCBM BT1B 328284/HA1 FSAF 22520 x 3.5/16 T FY 1.1/8 FM H 208 NJG 2314 VH NX 12 Z OKC 050 SNL 206-305