Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71918 ACE/HCP4A

S71918 ACE/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		101	mm
d₂		97.9	mm
D₂		117.3	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_a	max.	100.4	mm
d_b	min.	93.2	mm
d_b	max.	97.3	mm
D_a	max.	119	mm
D_b	max.	121.8	mm
r_a	max.	1	mm
r_b	max.	0.6	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
Ball diameter	D_w	11.112	mm
Number of balls	z	24
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: S71918 ACE/HCP4A
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：2026-04-16
Application:plastic molding,ultra-quiet generators,flow control valve,Body shaping,leather processing,forklift truck,circulating pump,Water Monitoring,Traffic Fire Protection Equipment Security equipment,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,non-ferrous metal alloy
Similar models:71918 CD/P4AL 71918 CD/P4AH1 71918 ACB/P4A 71918 ACD/HCP4AL 71918 CB/HCP4AL S71918 CD/P4A 71918 CB/HCP4A S71918 ACE/HCP4A 71918 ACB/HCP4A 71918 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in S71918ACE/HCP4A products，there is large inventory of SKF S71918 ACE/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S71918 ACE/HCP4A Which SKF S71918ACE/HCP4A 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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Hot number： 12638 18x28x7 HMS5 RG 22256 CCK/W33 630/8-2RS1 71940 CD/P4AH1 7217 ACD/HCP4A 91324 99219 AOH 3268 G D/W R155 R FSAF 1215 TLC PCMS 2005002.5 E SAF 22518 x 3.1/16 TLC SNL 3272 SSAFS 22536 x 6.5/16