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

71913 ACB/P4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		73.94	mm
d₂		72.72	mm
D₂		83.46	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		28.4	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		74.8	mm

Calculation data

Basic dynamic load rating	C	13.5	kN
Basic static load rating	C₀	14.3	kN
Fatigue load limit	P_u	0.38	kN
Attainable speed for grease lubrication		18000	r/min
Attainable speed for oil-air lubrication		28000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	32
Reference grease quantity	G_ref	2.96	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	60	N
Static axial stiffness, preload class A		100	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		129	N/µm
Preload class C	G_C	360	N
Static axial stiffness, preload class C		195	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
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 ACB/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：2026-08-20
Application:Industrial Electromechanical,other accessories,spreader series,Laser Measurements,agrochemical,vacuum filter,building decoration raw materials and accessories,machining,welding equipment,Small air generators,pump
Similar models:71913 CE/HCP4AL 71913 CD/HCP4AL 71913 ACD/P4A 71913 CE/P4AL S71913 CD/HCP4A 71913 CB/P4AL 71913 ACD/HCP4AL S71913 ACB/HCP4A 71913 CD/P4A 71913 CD/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

26x47x7 HMS5 V
6207-2RSH
FSYE 3 15/16-3
FYE 4
NN 3020 TN9/SP

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

Hot number： 10047 15761 31299 49985 524223 7312 BECBP BMD-6206/064S2/UA008A DMB 4/5 HJ 1036 IR 17x20x16.5 NJ 213 ECM NJ 2320 ECM SIL 50 ES-2RS SY 55 TF YSPAG 208-108

Model No.	Inner Diameter	Outer Diameter	Width	Type
26x47x7 HMS5 V
6207-2RSH
FSYE 3 15/16-3
FYE 4
NN 3020 TN9/SP