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 - 9.7 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 - 4.9 kN

Basic static load rating - C₀ - 4.9 kN

Fatigue load limit - P_u - 0.208 kN

Limiting speed for grease lubrication - 30000 r/min

Limiting speed for oil lubrication - 45000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 29

G_ref - 0.31 cm3

Calculation factor - f₀ - 17.2

Preload class A - G_A - 26 N

Preload class B - G_B - 78 N

Preload class C - G_C - 155 N

Calculation factor - f - 1.23

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 - 40 N/micron

Preload class B - 68 N/micron

Preload class C - 100 N/micron

Mass bearing - 0.029 kg

• Model Number: 71808 CD/HCP4
• Inner Diameter：52mm Outer Diameter：40mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-10
• Application:light therapy instrument,internal combustion engine,crimping tools,Liposuction device,pressure control valve,car,Machine Tool Accessories,spring industry,Roller,relay,thread processing machine
• Similar models:SKF 71808CD/HCP4 FAG 71808-B-TVH SKF 71808ACD/P4 ISO 71808C CX 71808ATBP4 SKF 71808CD/P4 CX 71808CTBP4 SKF 71808ACD/HCP4 ISO 71808A
• BEARING POWER International Trading Co.,Ltd. specialize in 71808CD/HCP4 products，there is large inventory of SKF 71808 CD/HCP4 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71808 CD/HCP4 Which SKF 71808CD/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
  32064X	320	480	100	Timken	Tapered Roller Bearings
  32364	320	670	210	NSK	Tapered Roller Bearings
  57288	60	110	29,75	KOYO	Tapered Roller Bearings
  6024-2RS	120	180	28	ISO	Deep Groove Ball Bearings
  7319 C	95	200	45	CX	Angular Contact Ball Bearings
  7330DB	150	320	65	NTN	Angular Contact Ball Bearings
  812/750 M	1000	750	195	SKF	Thrust Roller Bearings
  GEGZ50ES	50,8	90,4875		AST	Plain Bearings
  K14X18X15	14	18		Timken	Needle Roller Bearings
  LM503349A/10	45,987	74,976	18	CX	Tapered Roller Bearings
  M-20101	31,75	38,1	15,88	Timken	Needle Roller Bearings
  NN3088	440	650	157	KOYO	Cylindrical Roller Bearings
  PCM 141615 E	14	16	15	SKF	Plain Bearings
  RAY40	40			INA	Bearing Units
  5210W	50	90	30.2	FAF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  60CM796	6.0000	12.0000	2.2500	American	CYLINDRICAL ROLLER BEARINGS
  SAF-509	1.4375			FAG	PILLOW BLOCKS
  NF205	25	52	15	SKF	CYLINDRICAL ROLLER BEARINGS
  KU-70CPO-2RS	7.0000	7.7500	.5000	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  2925	165	125		CONSOLIDATED	THRUST BALL BEARINGS