Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 ACD/P4AH1

71918 ACD/P4AH1

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		100.8	mm
d₂		100.8	mm
D₁		114.2	mm
K		0.5	mm
C₁		5.2	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		8500	r/min
Attainable speed for oil-air lubrication		14000	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		224	N/µm
Preload class B	G_B	560	N
Static axial stiffness, preload class B		293	N/µm
Preload class C	G_C	1120	N
Static axial stiffness, preload class C		392	N/µm
Preload class D	G_D	2240	N
Static axial stiffness, preload class D		536	N/µm
Calculation factors
Calculation factor	f	1.23
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_2D	1.14
Calculation factor	f_HC	1
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

0.55

Model Number: 71918 ACD/P4AH1
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：2025-12-09
Application:rubber products machinery and equipment,molding machine,Roller,labor insurance,welding equipment,industrial skin care,Microwave Equipment,Film machine,relay,knitted fabrics,roller lathe
Similar models:71918 ACE/P4AL S71918 CB/P4A 71918 ACB/P4AL 71918 CD/P4A 71918 CE/P4AH1 71918 CD/HCP4AH1 S71918 ACD/P4A 71918 CB/P4A S71918 CE/P4A 71918 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACD/P4AH1 products，there is large inventory of SKF 71918 ACD/P4AH1 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/P4AH1 Which SKF 71918ACD/P4AH1 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
230/670 CA/W33	670	980	230	Bearings, units and housings
23052-2CS5/VT143	260	400	104	Bearings, units and housings
28670	73.025	95.25	9.53	Seals
6214 NR	70	125	24	Bearings, units and housings
6314-2Z	70	150	35	Bearings, units and housings
71918 ACD/P4AH1	90	125	18	Bearings, units and housings
72805	184.9882	224.79	15.88	Seals
AOHX 30/500 G	480	500	209	Bearings, units and housings
FYK 35 TD	35	-	-	Bearings, units and housings
RNA 4836	195	225	45	Bearings, units and housings
SAF 22528 x 4.13/16	122.2375	-	-	Bearings, units and housings
YAR 210-112-2F		90		Bearings, units and housings

Purchase the SKF 71918 ACD/P4AH1 Please fill in the following

Hot number： 12533 220 VL V 26921 305608 B 32020 X/DF 6215-2RS1/HC5C3WT 7016 CE/HCP4AH1 806715 811/950 M AN 28 BD-C 30/560 KM-AOHX 30/560 OKTC 385 SNL 3138 ATURA SNL 3264 G SYFJ 20 TF