Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71913 ACD/P4A

71913 ACD/P4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		72.7	mm
d₂		72.7	mm
D₁		82.3	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		24.7	mm

Abutment dimensions

d_a	min.	69.6	mm
d_b	min.	69.6	mm
D_a	max.	85.4	mm
D_b	max.	88	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		74.7	mm

Calculation data

Basic dynamic load rating	C	19.5	kN
Basic static load rating	C₀	16	kN
Fatigue load limit	P_u	0.68	kN
Attainable speed for grease lubrication		13000	r/min
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	26
Reference grease quantity	G_ref	2.85	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		136	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		176	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		232	N/µm
Preload class D	G_D	960	N
Static axial stiffness, preload class D		311	N/µm
Calculation factors
Calculation factor	f	1.2
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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

0.21

Model Number: 71913 ACD/P4A
Inner Diameter：65mm Outer Diameter：90mm Width：13mm
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：2026-06-24
Application:Ball screw,car,container finishing,surgical instruments,office equipment,crimping tools,Material handling equipment,power source,knitted fabrics,Food testing,filter paper products
Similar models:71913 CE/HCP4AL 71913 ACD/HCP4A 71913 CD/P4AL S71913 ACE/HCP4A 71913 ACD/HCP4AL 71913 ACD/P4AL 71913 CE/HCP4A S71913 ACD/P4A 71913 ACE/P4AH1 S71913 ACE/P4A
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Model No. Inner Diameter Outer Diameter Width Type

81224 TN
BC4B 322143/HB3
BT2B 328020
H 3138
OKBS 127

Purchase the SKF 71913 ACD/P4A Please fill in the following

Hot number： 185x210x13 HMS5 RG 260x280x16 HMS1 V 2309 E-2RS1TN9 BD-23240 CCK/W33-AH 3240 310 VE R 32477 401804 60x100x10 HMS5 V 61844 6309/HR22Q2 7005 ACD/HCP4A S71914 ACB/P4A SAF 22622 x 3.11/16 T SSAFS 23038 KA x 6.13/16 SYNT 60 LW

Model No.	Inner Diameter	Outer Diameter	Width	Type
81224 TN
BC4B 322143/HB3
BT2B 328020
H 3138
OKBS 127