d - 45 mm

D - 68 mm

B - 12 mm

d₁ - 52.6 mm

d₂ - 52.6 mm

D₂ - 62.62 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 19.3 mm

d_a - min. - 48.2 mm

d_a - max. - 52.1 mm

d_b - min. - 48.2 mm

d_b - max. - 52.1 mm

D_a - max. - 64.8 mm

D_b - max. - 66.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 12.4 kN

Basic static load rating - C₀ - 9 kN

Fatigue load limit - P_u - 0.38 kN

Limiting speed for grease lubrication - 17000 r/min

Ball - D_w - 6.35 mm

Ball - z - 23

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 - 80 N

Preload class B - G_B - 160 N

Preload class C - G_C - 320 N

Preload class D - G_D - 640 N

Calculation factor - f - 1.11

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_2D - 1.14

Calculation factor - f_HC - 1

Preload class A - 100 N/micron

Preload class B - 129 N/micron

Preload class C - 168 N/micron

Preload class D - 225 N/micron

Mass bearing - 0.134 kg

• Model Number:S71909 ACD/P4A
• Inner Diameter：68mm Outer Diameter：45mm Width：12mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-10
• Application:ventilation equipment,sheet industry,packing equipment,hanging clamp,Hydraulic Press,chromatography,Pneumatic Control Elements,Cleaning equipment,training beds etc,filter paper products,small diesel generators
• Similar models:CX 71909C-UD SKF 71909CD/P4A SKF S71909ACB/HCP4A SKF 71909ACD/HCP4A FAG HCB71909-C-2RSD-T-P4S SKF S71909ACE/P4A SKF S71909CB/HCP4A SKF S71909CD/P4A SNR 71909HVUJ74 FAG B71909-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in S71909ACD/P4A products，there is large inventory of SKF S71909 ACD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the S71909 ACD/P4A Which SKF S71909ACD/P4A 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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  FY 55 TF	55			SKF	Bearing Units
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