Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71928 ACD/HCP4A

S71928 ACD/HCP4A

Dimensions

d		140	mm
D		190	mm
B		24	mm
d₁		155.4	mm
d₂		155.4	mm
D₂		178.25	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		50.6	mm

Abutment dimensions

d_a	min.	147	mm
d_a	max.	154.8	mm
d_b	min.	147	mm
d_b	max.	154.8	mm
D_a	max.	183	mm
D_b	max.	186	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	90.4	kN
Basic static load rating	C₀	110	kN
Fatigue load limit	P_u	3.65	kN
Attainable speed for grease lubrication		7000	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	29
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	560	N
Static axial stiffness, preload class A		386	N/µm
Preload class B	G_B	1120	N
Static axial stiffness, preload class B		507	N/µm
Preload class C	G_C	2240	N
Static axial stiffness, preload class C		681	N/µm
Preload class D	G_D	4480	N
Static axial stiffness, preload class D		933	N/µm
Calculation factors
Calculation factor	f	1.29
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

1.4

Model Number: S71928 ACD/HCP4A
Inner Diameter：140mm Outer Diameter：190mm 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：2025-12-09
Application:medical equipment,steam Hydraulic control element,industry test,sheet industry,woodworking machinery,Power equipment,dye pigments,hot and cold box,welding equipment,marine test,Beauty and Body
Similar models:71928 CD/P4AL 71928 CD/HCP4A 71928 ACD/P4AH1 71928 ACD/HCP4AL 71928 CD/HCP4AH1 71928 ACD/P4A S71928 CD/HCP4A S71928 ACD/P4A 71928 ACD/P4AL 71928 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71928ACD/HCP4A products，there is large inventory of SKF S71928 ACD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71928 ACD/HCP4A Which SKF S71928ACD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
190 VS V	171	-	-	Seals
219 NR	95	170	32	Bearings, units and housings
23132-2CS5/VT143	160	270	86	Bearings, units and housings
32322	110	240	84.5	Bearings, units and housings
32918	90	125	23	Bearings, units and housings
35x72x8 CRW1 R	35	72	8	Seals
53310 + U 310	50	95	34.3	Bearings, units and housings
71920 CE/P4AL	100	140	20	Bearings, units and housings
7408	19.05	25.4	3.18	Seals
D/W RW4-2RZ	6.35	15.875	5.77	Bearings, units and housings
FYT 3/4 TF/VA201	19.05	-	32.6	Bearings, units and housings
SAF 22513 x 2.1/8	53.975	-	-	Bearings, units and housings

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