Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7028 ACD/P4A

7028 ACD/P4A

Dimensions

d		140	mm
D		210	mm
B		33	mm
d₁		161.6	mm
d₂		161.6	mm
D₁		188.4	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/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：2021-06-03
Application:industrial supplies,storage and transportation equipment,air shower etc,Industrial,metering pump,Pneumatic Actuator,power protection,extruder,glass processing machine,beverage production,Security Equipment
Similar models:7028 ACD/P4AL S7028 CD/HCP4A 7028 CD/HCP4A 7028 ACD/P4AH1 7028 CD/HCP4AH1 7028 ACD/HCP4A 7028 CD/P4AH1 7028 CD/P4A S7028 ACD/P4A 7028 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7028ACD/P4A products，there is large inventory of SKF 7028 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 7028 ACD/P4A Which SKF 7028ACD/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
33700	85.725	111.15	9.53	Seals
594080	246.0752	276.23	15.88	Seals
6324 M/C3VL2071	120	260	55	Bearings, units and housings
65 VS R	58	-	-	Seals
FYRP 2 1/2	63.5	-	-	Bearings, units and housings
FYTB 1. RM	25.4	-	-	Bearings, units and housings
N 312 ECM	60	130	31	Bearings, units and housings
NJ 2318 ECML	90	190	64	Bearings, units and housings
NJ 319 ECML	95	200	45	Bearings, units and housings
NU 234 ECM	170	310	52	Bearings, units and housings
SNW 34x5.15/16	150.8125	219.9894	122.8598	Bearings, units and housings
SYK 35 WD	35	-	-	Bearings, units and housings

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