Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7028 ACD/P4A

S7028 ACD/P4A

Dimensions

d		140	mm
D		210	mm
B		33	mm
d₁		161.6	mm
d₂		161.6	mm
D₂		193.1	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		57.5	mm

Abutment dimensions

d_a	min.	149	mm
d_a	max.	161	mm
d_b	min.	149	mm
d_b	max.	161	mm
D_a	max.	201	mm
D_b	max.	205	mm
r_a	max.	2	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	146	kN
Basic static load rating	C₀	156	kN
Fatigue load limit	P_u	5.1	kN
Attainable speed for grease lubrication		5600	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	22
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	900	N
Static axial stiffness, preload class A		364	N/µm
Preload class B	G_B	1800	N
Static axial stiffness, preload class B		477	N/µm
Preload class C	G_C	3600	N
Static axial stiffness, preload class C		633	N/µm
Preload class D	G_D	7200	N
Static axial stiffness, preload class D		856	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
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

3.44

Model Number: S7028 ACD/P4A
Inner Diameter：140mm Outer Diameter：210mm Width：33mm
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：2026-04-18
Application:Other Machine Tools,Animal Tracking,Embroidery,plastic molding,marine analysis,sterilizers,industrial skin care,turret industry,Water Monitoring,electromagnet,circulating pump
Similar models:7028 BGM 7028 ACD/HCP4A 7028 ACD/P4AH1 7028 CD/HCP4AH1 7028 CD/P4AH1 S7028 ACD/HCP4A 7028 ACD/P4AL 7028 ACD/P4A 7028 CD/P4A S7028 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S7028ACD/P4A products，there is large inventory of SKF S7028 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 S7028 ACD/P4A Which SKF S7028ACD/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.

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PCM 161820 E	16	18	20	Bearings, units and housings
SAF 22524 x 4.1/8	104.775	-	-	Bearings, units and housings
SY 40 FM	40	-	-	Bearings, units and housings
W 627/4-2Z	4	7	2.5	Bearings, units and housings

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Hot number： 22322 EK 27601 465 VRME R 6206 NR 71915 ACD/P4AL 99360 FYNT 35 F BTM 130 ATN9/P4CDB BTM 85 BTN9/P4CDB NKIB 5909 PFD 1.1/2 TR PWM 657550 SAF 22632 x 5.3/8 T SD 18x26x4 SNW 44x7.13/16