Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71800 ACD/P4

71800 ACD/P4

Dimensions

d		10	mm
D		19	mm
B		5	mm
d₁		13.1	mm
d₂		13.1	mm
D₁		16.1	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		5.9	mm

Abutment dimensions

d_a	min.	12	mm
d_b	min.	12	mm
D_a	max.	17	mm
D_b	max.	18.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		13.4	mm

Calculation data

Basic dynamic load rating	C	1.78	kN
Basic static load rating	C₀	0.93	kN
Fatigue load limit	P_u	0.04	kN
Attainable speed for grease lubrication		70000	r/min
Attainable speed for oil-air lubrication		110000	r/min
Ball diameter	D_w	2.381	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.06	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	16	N
Static axial stiffness, preload class A		30	N/µm
Preload class B	G_B	48	N
Static axial stiffness, preload class B		47	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		65	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	0.97
Calculation factor	f_2A	1
Calculation factor	f_2B	1.08
Calculation factor	f_2C	1.15
Calculation factor	f_HC	1
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

0.005

Model Number: 71800 ACD/P4
Inner Diameter：10mm Outer Diameter：19mm Width：5mm
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：2026-07-31
Application:instrument,Gripper Swing,Switch,product accessories,instrumentation instrument,industrial skin care,sleep monitoring,industrial supplies,Broadcasting System,Display Devices,Storage Tool
Similar models:71800 ACD/HCP4 71800 ACD/P4 71800 CD/P4 71800 CD/HCP4
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Model No. Inner Diameter Outer Diameter Width Type

17270
35x68x8 CRW1 V
PF 80
PFT 62
SSAFS 23034 KATLC x 5.15/16

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Hot number： 1950 VE R 3209 A-2RS1TN9/MT33 38x55x8 HMS5 V 4996 51226 590842 7014 ACD/HCP4AL 71932 ACD/P4A NA 22/6.2RSX NNF 5007 ADB-2LSV NU 30/1120 ECMA OKBS 125 S71906 ACB/HCP4A TU 1.11/16 TF W 6009-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
17270
35x68x8 CRW1 V
PF 80
PFT 62
SSAFS 23034 KATLC x 5.15/16