Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7028 ACD/HCP4A

7028 ACD/HCP4A

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		7000	r/min
Attainable speed for oil-air lubrication		11000	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		404	N/µm
Preload class B	G_B	1800	N
Static axial stiffness, preload class B		530	N/µm
Preload class C	G_C	3600	N
Static axial stiffness, preload class C		702	N/µm
Preload class D	G_D	7200	N
Static axial stiffness, preload class D		950	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	1.02
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

2.83

Model Number: 7028 ACD/HCP4A
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：2024-12-12
Application:chromatography,plastic rolling,hydraulic cylinder,directional control valve,office outdoor camping equipment,Film machine,Low-voltage electrical equipment,Anesthetic Equipment,building decoration raw materials and accessories,rehabilitation training equipment,medical equipment
Similar models:7028 ACD/P4AH1 S7028 ACD/HCP4A 7028 CD/HCP4AL 7028 BGM 7028 ACD/P4AL 7028 ACD/HCP4AL S7028 ACD/P4A 7028 ACD/P4A 7028 ACD/HCP4A 7028 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7028ACD/HCP4A products，there is large inventory of SKF 7028 ACD/HCP4A 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/HCP4A Which SKF 7028ACD/HCP4A 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
310x350x18 HDS2 V	310	350	18	Seals
32248/DF	240	440	-	Bearings, units and housings
470x510x20 HDS1 R	470	510	20	Seals
47474	120.65	152.43	12.7	Seals
60/900 MB	900	1280	170	Bearings, units and housings
71909 ACE/P4A	45	68	12	Bearings, units and housings
71911 CD/P4A	55	80	13	Bearings, units and housings
C 30/560 M	560	820	195	Bearings, units and housings
NATV 40 PPXA	40	80	32	Bearings, units and housings
NU 309 ECM	45	100	25	Bearings, units and housings
SAF 22522 x 3.13/16	96.8375	-	-	Bearings, units and housings
SAFS 23040 KA x 7.1/4	184.15	-	-	Bearings, units and housings

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Hot number： 10074 19886 BD-23064 CCK/W33-OH 3064 H 24022-2RS5/VT143 52.7x70.5x14.2 TP 525 VL V 593629 6222-RS1 C 30/670 M FYJ 511 FYRP 1 15/16-3 HA 3028 E OKCS 330 QJ 318 N2PHAS SAW 23534 x 6