Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 ACE/HCP4AL

71917 ACE/HCP4AL

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		96	mm
d₂		92.9	mm
D₁		109.22	mm
b		2.6	mm
C₁		9.3	mm
C₂		3	mm
C₃		3	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		16500	r/min
Attainable speed for oil-air lubrication		25000	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		175	N/µm
Preload class B	G_B	765	N
Static axial stiffness, preload class B		263	N/µm
Preload class C	G_C	1529	N
Static axial stiffness, preload class C		346	N/µm
Calculation factors
Calculation factor	f	1.16
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_HC	1.01
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

0.42

Model Number: 71917 ACE/HCP4AL
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：2025-12-09
Application:Antenna Industry,generator,floor industry,Forging machine,universal category,building decoration raw materials and accessories,Reflective Materials Industrial fabrics,plastic molding,injection molding machine,industrial supplies,stirrer
Similar models:S71917 ACB/P4A S71917 ACE/HCP4A S71917 ACB/HCP4A 71917 ACE/P4AL 71917 ACD/P4AL 71917 ACE/HCP4AL S71917 CD/HCP4A 71917 CB/HCP4AL 71917 CD/HCP4AL 71917 CE/P4AH1
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145x170x13 CRSA1 R	145	170	13	Seals
148x170x15 HMS5 RG	148	170	15	Seals
21136	53.975	76.12	11.13	Seals
32012 X/DF	60	95	-	Bearings, units and housings
7013 CE/HCP4AL	65	100	18	Bearings, units and housings
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HCRE 110 R	178	775	-	Coupling systems
NJ 2213 ECP	65	120	31	Bearings, units and housings
OKBS 95	95	-	-
P 62 R-25 RM	25	-	-	Bearings, units and housings
SYNT 100 LTS	100	-	-	Bearings, units and housings
WBB1-8703	3	8	2.5	Bearings, units and housings

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Hot number： 32232/DF 3304 ATN9 403053 FYRP 2 3/16-18 FY 25 TDW HJ 10/500 HJ 319 EC KMK 0 KRE 40 PPA NCF 30/500 CV NNCF 5020 CV PFT 1.1/4 TF S7014 CE/P4A SAF 22622 TLC SNW 3044x7.7/8