Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7028 ACD/P4AH1

7028 ACD/P4AH1

Dimensions

d		140	mm
D		210	mm
B		33	mm
d₁		161.6	mm
d₂		161.6	mm
D₁		188.4	mm
K		0.5	mm
C₁		8.9	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_b	min.	149	mm
D_a	max.	201	mm
D_b	max.	205	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		166.3	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
Attainable speed for oil-air lubrication		8500	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	22
Reference grease quantity	G_ref	45	cm³
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

3.42

Model Number: 7028 ACD/P4AH1
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：2026-04-16
Application:Technical Equipment,Spectrum Products,industrial equipment,test strip,circulating pump,Wire grinder,spring industry,molding machine,plastic rolling,Pneumatic Actuator,Broadcasting System
Similar models:7028 ACD/P4AL S7028 ACD/P4A 7028 CD/HCP4AL 7028 ACD/P4A 7028 CD/HCP4A 7028 CD/P4AL 7028 CD/HCP4AH1 7028 ACD/HCP4AL 7028 ACD/HCP4A 7028 BGM
BEARING POWER International Trading Co.,Ltd. specialize in 7028ACD/P4AH1 products，there is large inventory of SKF 7028 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 7028 ACD/P4AH1 Which SKF 7028ACD/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.

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522856	2540	-	-	Seals
52411	45	120	87	Bearings, units and housings
81264 M	320	440	95	Bearings, units and housings
FSAF 22314 TLC	70	-	-	Bearings, units and housings
FYTB 1.7/16 FM	36.513	-	-	Bearings, units and housings
GEM 50 ES-2RS	50	75	28	Bearings, units and housings
H 3936	160	210	87	Bearings, units and housings
SAF 23024 KATLC x 4.1/8	106.3625	-	-	Bearings, units and housings
SAW 23226 TLC	130	-	-	Bearings, units and housings
TU 30 FM	30	-	-	Bearings, units and housings

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