Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7218 ACD/P4A

7218 ACD/P4A

Dimensions

d		90	mm
D		160	mm
B		30	mm
d₁		111.6	mm
d₂		111.6	mm
D₁		138.4	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		44.3	mm

Abutment dimensions

d_a	min.	101	mm
d_b	min.	101	mm
D_a	max.	149	mm
D_b	max.	154.4	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		117.5	mm

Calculation data

Basic dynamic load rating	C	121	kN
Basic static load rating	C₀	106	kN
Fatigue load limit	P_u	4.05	kN
Attainable speed for grease lubrication		7500	r/min
Attainable speed for oil-air lubrication		12000	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	16
Reference grease quantity	G_ref	27.765	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	750	N
Static axial stiffness, preload class A		273	N/µm
Preload class B	G_B	1500	N
Static axial stiffness, preload class B		355	N/µm
Preload class C	G_C	3000	N
Static axial stiffness, preload class C		469	N/µm
Preload class D	G_D	6000	N
Static axial stiffness, preload class D		632	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.02
Calculation factor	f_2D	1.05
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

2.27

Model Number: 7218 ACD/P4A
Inner Diameter：90mm Outer Diameter：160mm Width：30mm
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:metallurgical mold,lifting equipment Hoisting hoist,wall industry,flexible processing,machining,relay,power tools,water protection,agriculture,hot and cold box,enzyme
Similar models:7218 BECCM 7218 BEGAY 7218 BECBP 7218 BEGAM 7218 ACD/P4A 7218 BEP 7218 BECBY 7218 ACD/HCP4A 7218 CD/P4A 7218 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7218ACD/P4A products，there is large inventory of SKF 7218 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7218 ACD/P4A Which SKF 7218ACD/P4A 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
22x32x7 HMSA10 V	22	32	7	Seals
3060	7.9502	15.9	3.96	Seals
42x55x8 CRW1 R	42	55	8	Seals
718/710 AMB	710	870	74	Bearings, units and housings
IR 110x120x30 EGS	110	120	30	Seals
NJ 215 ECML	75	130	25	Bearings, units and housings
NJ 2311 ECML	55	120	43	Bearings, units and housings
S7002 CE/HCP4A	15	32	9	Bearings, units and housings
SAF 22630 x 5.1/8 T	130.175	-	-	Bearings, units and housings
SSAFS 22538 x 7 T	177.8	-	-	Bearings, units and housings
W 618/2	2	5	1.5	Bearings, units and housings
W 639/3 R-2RS1	3	8	4	Bearings, units and housings

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Hot number： 17695 305338 D 340x380x18 HDS1 R 470471 6336 M 7009 CB/HCP4A FNL 520 A FYJ 25 KF NA 49/22 NNU 4180 K30M/W33 OKBS 50 P 25 TF SAW 23224 TLC SNW 3026x4.5/16 SSAFS 22540 x 7.1/4 T