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

71918 ACD/HCP4AL

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		100.8	mm
d₂		100.8	mm
D₁		114.2	mm
b		2.6	mm
C₁		9.3	mm
C₂		4.2	mm
C₃		3	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		34.2	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	96	mm
D_a	max.	119	mm
D_b	max.	121	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		103.3	mm

Calculation data

Basic dynamic load rating	C	44.2	kN
Basic static load rating	C₀	48	kN
Fatigue load limit	P_u	1.96	kN
Attainable speed for grease lubrication		10000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	26
Reference grease quantity	G_ref	7.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	280	N
Static axial stiffness, preload class A		249	N/µm
Preload class B	G_B	560	N
Static axial stiffness, preload class B		325	N/µm
Preload class C	G_C	1120	N
Static axial stiffness, preload class C		435	N/µm
Preload class D	G_D	2240	N
Static axial stiffness, preload class D		595	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.47

Model Number: 71918 ACD/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：2026-04-16
Application:E Beauty,outdoor equipment,product accessories,stamping die,machine tool spindle,Cleaning equipment,medical equipment,static control,large agricultural machinery,magnetic elements,Optical detection
Similar models:71918 ACB/HCP4AL 71918 CD/P4AH1 S71918 ACD/P4A 71918 ACD/P4AH1 71918 ACE/P4A 71918 CD/P4A S71918 ACB/P4A 71918 CE/P4A 71918 ACB/P4AL S71918 CB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACD/HCP4AL products，there is large inventory of SKF 71918 ACD/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 ACD/HCP4AL Which SKF 71918ACD/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.

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1125238	285.75	323.85	15.88	Seals
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24040 CC/W33	200	310	109	Bearings, units and housings
32314 B	70	150	54	Bearings, units and housings
400901	81	-	-	Seals
60x72x8 HMS5 RG	60	72	8	Seals
FBSA 206/DF	30	-	120	Bearings, units and housings
FY 1.3/4 TF/VA228	44.45	-	54.2	Bearings, units and housings
PCM 12012560 M	120	125	60	Bearings, units and housings
PCM 150155100 M	150	155	100	Bearings, units and housings
SAW 23544 x 7.13/16	198.4375	-	-	Bearings, units and housings
SCF 50 ES	50	-	35	Bearings, units and housings

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Hot number： 11144 30212T53/DB 30360 619/1120 MB 81212 TN 81256 M 86240 FSYE 2 15/16 N-118 FYNT 65 L GS 89415 PCM 140145100 M SAF 22317 TLC SAF 23028 KATLC x 5 SAW 23530 x 5.1/8 T SNW 3038x7