Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7028 CD/HCP4AH1

7028 CD/HCP4AH1

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		40.1	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	153	kN
Basic static load rating	C₀	166	kN
Fatigue load limit	P_u	5.3	kN
Attainable speed for grease lubrication		7500	r/min
Attainable speed for oil-air lubrication		12000	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	570	N
Static axial stiffness, preload class A		168	N/µm
Preload class B	G_B	1140	N
Static axial stiffness, preload class B		228	N/µm
Preload class C	G_C	2280	N
Static axial stiffness, preload class C		320	N/µm
Preload class D	G_D	4560	N
Static axial stiffness, preload class D		464	N/µm
Calculation factors
Calculation factor	f	1.16
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1.02
Calculation factor	f₀	15.8

Mass

Mass bearing

2.83

Model Number: 7028 CD/HCP4AH1
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：2026-04-20
Application:instrument,mathematical instruments,Garment Accessories,Laser Cutting,manual Tools,car instrument,Broadcasting System,Automobile,relay,motorcycle,other rubber
Similar models:7028 CD/HCP4AL 7028 CD/P4A 7028 CD/P4AL 7028 CD/HCP4A 7028 ACD/P4AH1 7028 CD/P4AH1 S7028 ACD/P4A 7028 ACD/HCP4AL 7028 ACD/P4A S7028 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7028CD/HCP4AH1 products，there is large inventory of SKF 7028 CD/HCP4AH1 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 CD/HCP4AH1 Which SKF 7028CD/HCP4AH1 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
16021	105	160	18	Bearings, units and housings
1700280	431.8	469.9	15.875	Seals
BD-23122 CCK/W33-AHX 3122	105	180	56	Bearings, units and housings
3303 A-2Z	17	47	22.2	Bearings, units and housings
49301	125.4252	158.75	12.7	Seals
FYC 50 TF	50	-	-	Bearings, units and housings
GEZM 208 ES	63.5	100.013	47.625	Bearings, units and housings
KR 47 PPXA	-	47	24	Bearings, units and housings
PF 25 WF	25	-	-	Bearings, units and housings
S7001 CD/HCP4A	12	28	8	Bearings, units and housings
SAF 22544 x 7.13/16 T	198.4375	-	-	Bearings, units and housings
SYR 3 11/16 N-118	93.6625	-	-	Bearings, units and housings

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