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 - 28000 r/min

Limiting speed for oil lubrication - 43000 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 - 1.09

Calculation factor - f_2C - 1.17

Calculation factor - f_HC - 1.02

Preload class A - 93 N/micron

Preload class B - 145 N/micron

Preload class C - 197 N/micron

Mass bearing - 0.029 kg

• Model Number: 71808 ACD/HCP4
• Inner Diameter：52mm Outer Diameter：40mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-10
• Application:tobacco machinery,Pneumatic Control Valves,tapered grinder,Grinding and polishing equipment,flexible processing,paper processing machine,air shower etc,Film machine,horizontal processing,Laser Devices,rehabilitation training equipment
• Similar models:SKF 71808CD/P4 CX 71808CTBP4 ISO 71808A FAG 71808-B-TVH CX 71808ATBP4 SKF 71808CD/HCP4 ISO 71808C SKF 71808ACD/HCP4 SKF 71808ACD/P4
• BEARING POWER International Trading Co.,Ltd. specialize in 71808ACD/HCP4 products，there is large inventory of SKF 71808 ACD/HCP4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71808 ACD/HCP4 Which SKF 71808ACD/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.

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  29296	480	650	103	NTN	Thrust Roller Bearings
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  61819	95	120	13	ISB	Deep Groove Ball Bearings
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  71922 ACD/HCP4A	150	110	20	SKF	Angular Contact Ball Bearings
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  FLCTEY20	20		25	INA	Bearing Units
  NF 421	105	220.5		NACHI	Cylindrical Roller Bearings
  NJ236 E	180	320	52	CX	Cylindrical Roller Bearings
  SIR120ES	120			LS	Plain Bearings
  TR 455930	45	59	30	IKO	Needle Roller Bearings
  RNAST5.DB	16		7.8	FAG (Old No.)	NEEDLE BEARINGS
  FG2552EE	25	52	25	NADELLA	NEEDLE BEARINGS
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  NUP-2356	280	580	175	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  30305	25	62	17	CONSOLIDATED	TAPERED ROLLER BEARINGS