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

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

Basic dynamic load rating - C - 146 kN

Basic static load rating - C₀ - 156 kN

Fatigue load limit - P_u - 5.1 kN

Limiting speed for grease lubrication - 7000 r/min

Limiting speed for oil lubrication - 11000 mm/min

Ball - D_w - 22.225 mm

Ball - z - 22

G_ref - 45 cm3

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 900 N

Preload class B - G_B - 1800 N

Preload class C - G_C - 3600 N

Preload class D - G_D - 7200 N

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

Preload class A - 404 N/micron

Preload class B - 530 N/micron

Preload class C - 702 N/micron

Preload class D - 950 N/micron

Mass bearing - 2.827 kg

• Model Number:7028 ACD/HCP4A
• Inner Diameter：210mm Outer Diameter：140mm Width：33mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-09
• Application:education model Instruments,Optical Instruments,leather processing,preservation equipment,metallurgical mold,Flame Cutting,Vertical machining,Industrial Electromechanical,altimeter etc,Infrared Technology,linear drive
• Similar models:ISO 7028CDB AST H7028C/HQ1 KOYO 7028C NSK 7028A SKF 7028ACD/P4AL AST H7028AC/HQ1 NTN 7028CP4 ISO 7028CDT NTN 7028CG SKF 7028ACD/HCP4A
• BEARING POWER International Trading Co.,Ltd. specialize in 7028ACD/HCP4A products，there is large inventory of SKF 7028 ACD/HCP4A . 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	Brand	Type
  46T30311DJR/49	55	120	70	KOYO	Tapered Roller Bearings
  57428-N	41,275	72	19,558	KOYO	Tapered Roller Bearings
  HUB155-5	30	67		NTN	Angular Contact Ball Bearings
  F7-15	7	15	5	ZEN	Thrust Ball Bearings
  GE240XT-2RS	240	340	140	LS	Plain Bearings
  GEEM60ES-2RS	60	90	54	LS	Plain Bearings
  NP308	40	90	23	ISO	Cylindrical Roller Bearings
  NU316-E-MA6	80	170	39	NKE	Cylindrical Roller Bearings
  TSM 10	10	22	14	ISB	Plain Bearings
  SEA12 /NS 7CE1	12	21	5	SNFA	Angular Contact Ball Bearings
  SL04260-PP	260	340	95	NBS	Cylindrical Roller Bearings
  UCFCX14E	70			KOYO	Bearing Units
  MW-17/8				INA	THRUST BALL BEARINGS
  S6001.2RSR	12	28	8	FAG	DEEP GROOVE BALL BEARINGS
  6311Z	55	120	29	FAG	DEEP GROOVE BALL BEARINGS
  NU1010	50	80	16	STEYR	CYLINDRICAL ROLLER BEARINGS
  CRL11	1.3750	3.0000	.6875	SKF	CYLINDRICAL ROLLER BEARINGS
  NUP-304E	20	52	15	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  I-71233	100	2.0625	21	CONSOLIDATED	SELF
  SSFY-108	1.5000			CONSOLIDATED	STAINLESS STEEL PILLOW BLOCKS