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：2025-12-11
• Application:journal lathe,teaching equipment,Reflective Materials Industrial fabrics,spring industry,Vertical pull,Forging machine,heating fans,extruder,paint paint,Medium and large motor,forming machine
• Similar models:CX 71808CTBP4 SKF 71808CD/P4 FAG 71808-B-TVH ISO 71808A ISO 71808C SKF 71808ACD/P4 CX 71808ATBP4 SKF 71808ACD/HCP4 SKF 71808CD/HCP4
• 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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