Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 ACE/P4A

71917 ACE/P4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		96	mm
d₂		92.9	mm
D₁		109.22	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		34.1	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	88.2	mm
D_a	max.	114	mm
D_b	max.	116.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		98.6	mm

Calculation data

Basic dynamic load rating	C	28.1	kN
Basic static load rating	C₀	22	kN
Fatigue load limit	P_u	0.9	kN
Attainable speed for grease lubrication		13700	r/min
Attainable speed for oil-air lubrication		21000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	23
Reference grease quantity	G_ref	7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	255	N
Static axial stiffness, preload class A		157	N/µm
Preload class B	G_B	765	N
Static axial stiffness, preload class B		237	N/µm
Preload class C	G_C	1529	N
Static axial stiffness, preload class C		311	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
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

0.5

Model Number: 71917 ACE/P4A
Inner Diameter：85mm Outer Diameter：120mm Width：18mm
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：2026-08-19
Application:equipment and,Medical room equipment,orthodontic material,engineering machinery,non-motor vehicle Electric car,Small air generators,luminescent reagent,metering pump,sheet industry,Die,chuck industry
Similar models:71917 ACB/P4A S71917 CE/HCP4A 71917 ACD/HCP4AL 71917 ACB/HCP4A 71917 CD/P4AH1 71917 CD/HCP4A S71917 ACE/HCP4A S71917 ACB/P4A S71917 ACD/HCP4A 71917 CD/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

1300 VE R
618/850 MA
FSAF 1520 x 3.1/2
W 61918
ZW 12x17

Purchase the SKF 71917 ACE/P4A Please fill in the following

Hot number： 110 VL V 15x35x7 HMSA10 V 217 29865 315976 B 340 VE R 592627 6303-Z 7016 CE/P4AL 81124 TN PCMW 325401.5 E PL 68 SAF 22334 TLC SAW 23524 x 4.1/4 SNL 30/530 TURT

Model No.	Inner Diameter	Outer Diameter	Width	Type
1300 VE R
618/850 MA
FSAF 1520 x 3.1/2
W 61918
ZW 12x17