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 - 4.7 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 - 2.1 kN

Basic static load rating - C₀ - 1.2 kN

Fatigue load limit - P_u - 0.05 kN

Limiting speed for grease lubrication - 85000 r/min

Limiting speed for oil lubrication - 130000 mm/min

Ball - D_w - 2.381 mm

Ball - z - 14

G_ref - 0.07 cm3

Calculation factor - f₀ - 15.4

Preload class A - G_A - 11 N

Preload class B - G_B - 33 N

Preload class C - G_C - 66 N

Calculation factor - f - 1.06

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 - 17 N/micron

Preload class B - 28 N/micron

Preload class C - 41 N/micron

Mass bearing - 0.006 kg

• Model Number:71801 CD/HCP4
• Inner Diameter：21mm Outer Diameter：12mm Width：5mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-11
• Application:medical equipment,set bacteria instrument,hydraulic pressure gauge,large agricultural machinery,Insect Capture,Generator,Cylinder Type,Oral Equipment,steam Hydraulic control element,spectrometer,Processing machinery
• Similar models:ISO 71801A SKF 71801CD/HCP4 SKF 71801ACD/P4 ISO 71801C CX 71801ATBP4 SKF 71801ACD/HCP4 SKF 71801CD/P4 CX 71801CTBP4
• BEARING POWER International Trading Co.,Ltd. specialize in 71801CD/HCP4 products，there is large inventory of SKF 71801 CD/HCP4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71801 CD/HCP4 Which SKF 71801CD/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
  22238 KCW33+AH2238	190	340	92	ISO	Spherical Roller Bearings
  33011	55	90	27	NTN	Tapered Roller Bearings
  5204NR	20	47	20.6	NACHI	Angular Contact Ball Bearings
  609	9	24	7	CRAFT	Deep Groove Ball Bearings
  6236M	180	320	52	CRAFT	Deep Groove Ball Bearings
  6810-ZZ	50	65	7	CYSD	Deep Groove Ball Bearings
  71910 CDB	50	72	24	ISO	Angular Contact Ball Bearings
  7317 BDF	85	180	82	ISO	Angular Contact Ball Bearings
  ASTEPBF 1517-20	15	17		AST	Plain Bearings
  MC-461	6,35	11,112	9,52	NSK	Needle Roller Bearings
  MFJL-1715	17	24	15	NSK	Needle Roller Bearings
  NKI5/12	5	15	12	ISO	Needle Roller Bearings
  NNU 4084 M/W33	420	620	200	ISB	Cylindrical Roller Bearings
  SS 6208	40	80	18	ISB	Deep Groove Ball Bearings
  SBPFL202	15		22	FYH	Bearing Units
  NKI25/20	25	38	20	FAG	NEEDLE BEARINGS
  32936	180	250	45	FAG	TAPERED ROLLER BEARINGS
  RT-760				INA	THRUST ROLLER BEARINGS
  3916	136	80		SKF	THRUST BALL BEARINGS
  NUP311E	55	120	29	Torrington	CYLINDRICAL ROLLER BEARINGS