Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 ACE/HCP4AH1

71918 ACE/HCP4AH1

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		101	mm
d₂		97.9	mm
D₁		114.22	mm
K		0.5	mm
C₁		5.48	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		35.9	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	93.2	mm
D_a	max.	119	mm
D_b	max.	121.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		103.5	mm

Calculation data

Basic dynamic load rating	C	28.6	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.915	kN
Attainable speed for grease lubrication		15500	r/min
Attainable speed for oil-air lubrication		24000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	24
Reference grease quantity	G_ref	7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	260	N
Static axial stiffness, preload class A		182	N/µm
Preload class B	G_B	780	N
Static axial stiffness, preload class B		274	N/µm
Preload class C	G_C	1560	N
Static axial stiffness, preload class C		360	N/µm
Calculation factors
Calculation factor	f	1.19
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

0.46

Model Number: 71918 ACE/HCP4AH1
Inner Diameter：90mm Outer Diameter：125mm 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：2026-04-18
Application:shoe-making machinery,garbage disposal,Cylinder Type,power protection,rubber products machinery and equipment,mobile toilet,tapping machine,car shock absorber,rock drilling machinery,Pneumatic Actuator,spreader series
Similar models:71918 ACD/HCP4A 71918 ACB/HCP4A 71918 CB/HCP4AL S71918 ACE/HCP4A 71918 CD/HCP4A 71918 ACE/HCP4AL 71918 CD/HCP4AH1 71918 CD/P4AH1 71918 ACD/HCP4AL S71918 CE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACE/HCP4AH1 products，there is large inventory of SKF 71918 ACE/HCP4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71918 ACE/HCP4AH1 Which SKF 71918ACE/HCP4AH1 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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SILQG 100 ES	100	-	100	Bearings, units and housings
SY 3/4 TF	19.05	-	-	Bearings, units and housings
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