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

71917 ACD/P4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		95.8	mm
d₂		95.8	mm
D₁		109.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		33	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	91	mm
D_a	max.	114	mm
D_b	max.	116	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		98.6	mm

Calculation data

Basic dynamic load rating	C	43.6	kN
Basic static load rating	C₀	45.5	kN
Fatigue load limit	P_u	1.93	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		15000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	25
Reference grease quantity	G_ref	7.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	270	N
Static axial stiffness, preload class A		214	N/µm
Preload class B	G_B	540	N
Static axial stiffness, preload class B		281	N/µm
Preload class C	G_C	1080	N
Static axial stiffness, preload class C		374	N/µm
Preload class D	G_D	2160	N
Static axial stiffness, preload class D		509	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

0.53

Model Number: 71917 ACD/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：2026-06-25
Application:office outdoor camping equipment,Pneumatic Control Valves,Spectrum Products,rubber products machinery and equipment,paint paint,Digital Generator,Wire grinder,preservation equipment,woodworking machinery,embroidery cloth,auto tools
Similar models:S71917 CB/P4A 71917 ACD/P4AH1 71917 ACD/HCP4AH1 S71917 CE/P4A 71917 ACD/HCP4AL S71917 CE/HCP4A S71917 ACD/P4A 71917 ACE/HCP4AH1 S71917 CB/HCP4A 71917 ACE/P4AL
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Model No. Inner Diameter Outer Diameter Width Type

71919 ACE/P4AH1
AHX 3218
OKC 340
SNL 3040
SNL 3044 ATURT

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

Hot number： 2320 KM 24881 32222/DF 6204-2RSL 6404 GS 81211 IR 85x95x26 EGS KRV 52 PPA N 1014 KTNHA/HC5SP NU 2260 MA NUP 314 ECNP SALKB 6 F SHT 38 SNW 130x5.3/16 SSAFS 22544 x 8 T

Model No.	Inner Diameter	Outer Diameter	Width	Type
71919 ACE/P4AH1
AHX 3218
OKC 340
SNL 3040
SNL 3044 ATURT