Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 ACD/P4AH1

71917 ACD/P4AH1

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		95.8	mm
d₂		95.8	mm
D₁		109.2	mm
K		0.5	mm
C₁		5.2	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/P4AH1
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：2026-06-24
Application:Cylinder Standard,supporting facilities,lifting chain,Anti-defibrillation pacing,Textile Industry Accessories and Accessories,EEG,mechanical annex,root canal filling,engineering machinery,office outdoor camping equipment,Laser Measurements
Similar models:S71917 ACB/P4A S71917 CD/P4A 71917 ACD/P4AH1 71917 CD/P4AL 71917 CD/HCP4A 71917 CD/HCP4AH1 71917 CD/HCP4AL S71917 CD/HCP4A S71917 CE/HCP4A 71917 CD/P4AH1
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Model No. Inner Diameter Outer Diameter Width Type

3216 A
71901 ACD/HCP4A
AOH 24180
FYAWK 15/16 LTA
NUP 219 ECP

Purchase the SKF 71917 ACD/P4AH1 Please fill in the following

Hot number： 18039 BD-22234 CCK/W33-AH 3134 G 270x310x16 HDS1 R 618/710 MA BC4-8015/HB1 BT2B 334085/HA1VA901 D/W RW1810 R GEZ 300 ESX-2LS OKC 190 NCF 2930 CV NKI 12/16 PBM 7085120 M1G1 SAW 23234 SNL 532 SYNT 65 FTS

Model No.	Inner Diameter	Outer Diameter	Width	Type
3216 A
71901 ACD/HCP4A
AOH 24180
FYAWK 15/16 LTA
NUP 219 ECP