d - 12 mm

D - 21 mm

B - 5 mm

d₁ - 15.1 mm

d₂ - 15.1 mm

D₁ - 18.1 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 6.4 mm

d_a - min. - 14 mm

d_b - min. - 14 mm

D_a - max. - 19 mm

D_b - max. - 20.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 15.4 mm

Basic dynamic load rating - C - 2 kN

Basic static load rating - C₀ - 1.1 kN

Fatigue load limit - P_u - 0.048 kN

Limiting speed for grease lubrication - 75000 r/min

Limiting speed for oil lubrication - 110000 mm/min

Ball - D_w - 2.381 mm

Ball - z - 14

G_ref - 0.07 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 - 17 N

Preload class B - G_B - 53 N

Preload class C - G_C - 105 N

Calculation factor - f - 1.06

Calculation factor - f₁ - 0.97

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.09

Calculation factor - f_2C - 1.17

Calculation factor - f_HC - 1.02

Preload class A - 38 N/micron

Preload class B - 59 N/micron

Preload class C - 80 N/micron

Mass bearing - 0.006 kg

• Model Number: 71801 ACD/HCP4
• Inner Diameter：21mm Outer Diameter：12mm Width：5mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-19
• Application:expectoration machine,surgical instruments,bio-chemical,test strip,Storage Tool,multi-knife lathe,E Beauty,tray industry,Gripper Swing,Rolling mill,Performance test
• Similar models:ISO 71801A SKF 71801ACD/P4 SKF 71801CD/HCP4 CX 71801ATBP4 CX 71801CTBP4 ISO 71801C SKF 71801CD/P4 SKF 71801ACD/HCP4
• BEARING POWER International Trading Co.,Ltd. specialize in 71801ACD/HCP4 products，there is large inventory of SKF 71801 ACD/HCP4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71801 ACD/HCP4 Which SKF 71801ACD/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
  22312 KCW33+H2312	60	130	46	CX	Spherical Roller Bearings
  24144-K30-MB-W33	220	370	150	NKE	Spherical Roller Bearings
  33018F	90	140	39	Fersa	Tapered Roller Bearings
  6312ZZ	60	130	31	KOYO	Deep Groove Ball Bearings
  6904L11ZZ	20	37	9	NSK	Deep Groove Ball Bearings
  7005 CD/P4AH	47	25	12	SKF	Angular Contact Ball Bearings
  70TP131	177,8	304,8	50,8	Timken	Thrust Roller Bearings
  FYRP 2 1/2-18	63,5	101,6	139,7	SKF	Bearing Units
  HI-CAP ST4472	44	72	22	KOYO	Tapered Roller Bearings
  JM719149/JM719113	95	150	35	NSK	Tapered Roller Bearings
  LH-22217E	85	150	36	NTN	Spherical Roller Bearings
  L610549/L610510	63.500	94.458	19.050	NACHI	Tapered Roller Bearings
  LMKP25UU	25	40		Samick	Linear Bearings
  NA6907	35	55	36	KOYO	Needle Roller Bearings
  NJ 216 ECP	140	80	26	SKF	Thrust Ball Bearings
  NJ248	240	440	72	ISO	Cylindrical Roller Bearings
  RNA4922	125	150	40	INA	Needle Roller Bearings
  773L17	85	130	22	New Departure	DEEP GROOVE BALL BEARINGS
  SUCSFL211-32	2.0000			PTI	STAINLESS STEEL PILLOW BLOCKS
  53430-U				CONSOLIDATED	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING