d - 55 mm

D - 72 mm

B - 9 mm

d₁ - 60.7 mm

d₂ - 60.7 mm

D₁ - 66.5 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 13 mm

d_a - min. - 57 mm

d_b - min. - 57 mm

D_a - max. - 70 mm

D_b - max. - 71.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 61.3 mm

Basic dynamic load rating - C - 10.1 kN

Basic static load rating - C₀ - 10.8 kN

Fatigue load limit - P_u - 0.455 kN

Limiting speed for grease lubrication - 22000 r/min

Limiting speed for oil lubrication - 32000 mm/min

Ball - D_w - 4.762 mm

Ball - z - 29

G_ref - 0.88 cm3

Calculation factor - f₀ - 17.1

Preload class A - G_A - 55 N

Preload class B - G_B - 165 N

Preload class C - G_C - 330 N

Calculation factor - f - 1.27

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.1

Calculation factor - f_2C - 1.18

Calculation factor - f_HC - 1.02

Preload class A - 59 N/micron

Preload class B - 101 N/micron

Preload class C - 150 N/micron

Mass bearing - 0.073 kg

• Model Number: 71811 CD/HCP4
• Inner Diameter：72mm Outer Diameter：55mm Width：9mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:Machine Tool Accessories,engineering machinery,plastic molding,tooth filling,milling head plug,Roller mill,position switch,medical equipment,pneumatic Pump,car and accessories,diagnostic test paper
• Similar models:SKF 71811CD/P4 SKF 71811ACD/P4 SKF 71811ACD/HCP4 ISO 71811C CX 71811ATBP4 SKF 71811CD/HCP4 CX 71811CTBP4 FAG 71811-B-TVH ISO 71811A
• BEARING POWER International Trading Co.,Ltd. specialize in 71811CD/HCP4 products，there is large inventory of SKF 71811 CD/HCP4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71811 CD/HCP4 Which SKF 71811CD/HCP4 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
  2314	70	150	51	ISO	Self-Aligning Ball Bearings
  53324U	120	210	74,1	KOYO	Thrust Ball Bearings
  6812LLB	60	78	10	NTN	Deep Groove Ball Bearings
  7036CDB	180	280	46	NACHI	Angular Contact Ball Bearings
  32308	40	90	35,25	MPZ	Tapered Roller Bearings
  3580/3525	38,1	87,3125	30,1625	AST	Tapered Roller Bearings
  4T-39573/39520	50,8	112,712	30,162	NTN	Tapered Roller Bearings
  607-2RU	7	19	6	KOYO	Deep Groove Ball Bearings
  FYTB 20 TDW	20	29,5	11	SKF	Bearing Units
  IJ111005	39,1	74	36	ILJIN	Angular Contact Ball Bearings
  JH211749/JH211710	65	120	39	NSK	Tapered Roller Bearings
  M86647/M86610	28,575	64,292	21,433	Timken	Tapered Roller Bearings
  NKS24R	24,000	37,000	20,000	NTN	Needle Roller Bearings
  NAO15x28x13	15	28	13	ISO	Cylindrical Roller Bearings
  R-720ZZ	2	7	3,5	NMB	Deep Groove Ball Bearings
  TAC45-2T85	45	110	27	NSK	Thrust Ball Bearings
  L18RA308	3.5000	4.1250	.3125	FAG	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NAO17x30x13	17	30	13	INA	NEEDLE BEARINGS
  140516	.8750	1.5000	1.0000	Rollway	JOURNAL ROLLER ASSEMBLIES
  NF-312	60	130	31	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS