Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 ACB/HCP4AL

71918 ACB/HCP4AL

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		103	mm
d₂		101.4	mm
D₂		115	mm
b		2.2	mm
C₁		9.3	mm
C₂		4.5	mm
C₃		2.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		39	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	96	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		103.9	mm

Calculation data

Basic dynamic load rating	C	22.5	kN
Basic static load rating	C₀	26.5	kN
Fatigue load limit	P_u	0.68	kN
Attainable speed for grease lubrication		15000	r/min
Attainable speed for oil-air lubrication		22000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	36
Reference grease quantity	G_ref	7.37	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	100	N
Static axial stiffness, preload class A		156	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		199	N/µm
Preload class C	G_C	600	N
Static axial stiffness, preload class C		302	N/µm
Calculation factors
Calculation factor	f	1.12
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
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

0.56

Model Number: 71918 ACB/HCP4AL
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：2026-08-20
Application:hydraulic cylinder buffer,electric hydraulic lifting platform,electronic materials,Industrial,Hydraulic Rama,car shock absorber,other processing,Cylinder Type,Medical equipment,plant determination,water
Similar models:S71918 CE/HCP4A 71918 ACD/HCP4AH1 S71918 CD/P4A 71918 CD/P4AL 71918 ACE/HCP4A 71918 ACD/P4A 71918 ACB/P4A 71918 ACE/P4AL 71918 CB/HCP4A 71918 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACB/HCP4AL products，there is large inventory of SKF 71918 ACB/HCP4AL 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 ACB/HCP4AL Which SKF 71918ACB/HCP4AL 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.
Model No. Inner Diameter Outer Diameter Width Type

1309 EKTN9 + H 309
17605
BD-231/800 CAK/W33-AOH 31/800
BD-C 3030 KV-H 3030
PWM 140155150

Purchase the SKF 71918 ACB/HCP4AL Please fill in the following

Hot number： 12678 23048-2CS5/VT143 34x48x8 CRW1 V 6307 N 71932 ACD/P4A 7222 CD/HCP4A D/W RW188-2Z FSAF 22617 x 2.7/8 FSAF 23024 KAT x 4.1/16 GEH 100 ES-2RS HME 3048 NJ 2968 ECMA NNCF 5007 CV SAF 1517 x 3 TUJ 508

Model No.	Inner Diameter	Outer Diameter	Width	Type
1309 EKTN9 + H 309
17605
BD-231/800 CAK/W33-AOH 31/800
BD-C 3030 KV-H 3030
PWM 140155150