Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7220 ACD/P4A

7220 ACD/P4A

Dimensions

d		100	mm
D		180	mm
B		34	mm
d₁		124.7	mm
d₂		124.7	mm
D₁		155.3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		49.9	mm

Abutment dimensions

d_a	min.	112	mm
d_b	min.	112	mm
D_a	max.	168	mm
D_b	max.	173	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		131.4	mm

Calculation data

Basic dynamic load rating	C	148	kN
Basic static load rating	C₀	129	kN
Fatigue load limit	P_u	4.65	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	25.4	mm
Number of balls	z	15
Reference grease quantity	G_ref	40.899	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	950	N
Static axial stiffness, preload class A		296	N/µm
Preload class B	G_B	1900	N
Static axial stiffness, preload class B		388	N/µm
Preload class C	G_C	3800	N
Static axial stiffness, preload class C		509	N/µm
Preload class D	G_D	7600	N
Static axial stiffness, preload class D		685	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

3.24

Model Number: 7220 ACD/P4A
Inner Diameter：100mm Outer Diameter：180mm Width：34mm
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：2024-12-16
Application:gas turbine,vertical sawing machine,chamfer,Small air generators,Pneumatic Control Elements,forklift industry,pipe fittings Steel industry,squeeze machine etc,medical Equipment,Cylinder Pneumatic Treatment Element,meat products machine
Similar models:7220 CD/P4A 7220 BEP 7220 BECBP 7220 ACD/P4A 7220 BEGAM 7220 BEGAY 7220 BECCM 7220 BECBY 7220 CD/HCP4A 7220 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7220ACD/P4A products，there is large inventory of SKF 7220 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 7220 ACD/P4A Which SKF 7220ACD/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
1150112	292.1	323.85	15.88	Seals
2400250	609.6	647.7	19.05	Seals
18x30x6 HMS5 V	18	30	6	Seals
80088	203.2	254	25.4	Seals
BA 9	9.2	19.8	7	Bearings, units and housings
BD-BS2-2217-2RSK/VT143-H 317 E	75	150	44	Bearings, units and housings
FYE 2 11/16	68.2625	-	-	Bearings, units and housings
GS 89314	70	125	12	Bearings, units and housings
IR 160x175x40	160	175	40	Bearings, units and housings
KRV 32 PPA	-	32	40	Bearings, units and housings
NUP 2308 ECM	40	90	33	Bearings, units and housings
SNL 3168 ATURA	320	-	-	Bearings, units and housings

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Hot number： 33136 32264 470711 650 VL V 71902 ACE/HCP4AH 71911 ACD/P4AL FSYE 2 15/16 N GS 81112 HM 88649 X/610 KMT 19 NJ 1016 ECML NJ 215 ECJ NRT 325 B SAW 23524 SNW 3138x6.15/16