d - 40 mm

D - 52 mm

B - 7 mm

d₁ - 44.1 mm

d₂ - 44.1 mm

D₁ - 48.1 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 14.3 mm

d_a - min. - 42 mm

d_b - min. - 42 mm

D_a - max. - 50 mm

D_b - max. - 51.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 44.5 mm

Basic dynamic load rating - C - 4.5 kN

Basic static load rating - C₀ - 4.6 kN

Fatigue load limit - P_u - 0.196 kN

Limiting speed for grease lubrication - 22000 r/min

Limiting speed for oil lubrication - 34000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 29

G_ref - 0.31 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 - 40 N

Preload class B - G_B - 120 N

Preload class C - G_C - 240 N

Calculation factor - f - 1.23

Calculation factor - f₁ - 0.97

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.08

Calculation factor - f_2C - 1.15

Calculation factor - f_HC - 1

Preload class A - 83 N/micron

Preload class B - 130 N/micron

Preload class C - 178 N/micron

Mass bearing - 0.031 kg

• Model Number:71808 ACD/P4
• Inner Diameter：52mm Outer Diameter：40mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-12
• Application:preservation equipment,expectoration machine,Cylinder Pneumatic Treatment Element,beverage production,metering pump,Gear grinding machine,Garment Accessories,Textile Accessories,Small air generators,Machine Tool Accessories,universal category
• Similar models:ISO 71808A SKF 71808ACD/P4 SKF 71808ACD/HCP4 FAG 71808-B-TVH SKF 71808CD/HCP4 CX 71808ATBP4 ISO 71808C SKF 71808CD/P4 CX 71808CTBP4
• BEARING POWER International Trading Co.,Ltd. specialize in 71808ACD/P4 products，there is large inventory of SKF 71808 ACD/P4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71808 ACD/P4 Which SKF 71808ACD/P4 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.

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  N348	240	500	95	FAG	CYLINDRICAL ROLLER BEARINGS
  NK25/20	33		20	FAG	NEEDLE BEARINGS
  32019XA	95	145	32	FAG	TAPERED ROLLER BEARINGS
  CF26VUUR	10	26	12	IKO	NEEDLE BEARINGS
  C217HCUL	85	150	28	Barden	ANGULAR CONTACT BALL BEARINGS
  NJ2012E	60	95	22	SKF	CYLINDRICAL ROLLER BEARINGS
  6811ZZ	55	72	9	NSK	DEEP GROOVE BALL BEARINGS
  211	100	55	21	NH	DEEP GROOVE BALL BEARINGS
  HC7218TGP/4	90	160	30	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS