d - 17 mm

D - 30 mm

B - 7 mm

d₁ - 20.9 mm

d₂ - 20.9 mm

D₂ - 27.8 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 9 mm

d_a - min. - 19 mm

d_a - max. - 20.5 mm

d_b - min. - 19 mm

d_b - max. - 20.5 mm

D_a - max. - 28 mm

D_b - max. - 28.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

Basic dynamic load rating - C - 4 kN

Basic static load rating - C₀ - 2 kN

Fatigue load limit - P_u - 0.085 kN

Limiting speed for grease lubrication - 45000 r/min

Ball - D_w - 3.969 mm

Ball - z - 14

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 - 25 N

Preload class B - G_B - 50 N

Preload class C - G_C - 100 N

Preload class D - G_D - 200 N

Calculation factor - f - 1.05

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 - 42 N/micron

Preload class B - 54 N/micron

Preload class C - 70 N/micron

Preload class D - 93 N/micron

Mass bearing - 0.017 kg

• Model Number: S71903 ACD/P4A
• Inner Diameter：30mm Outer Diameter：17mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-15
• Application:chamfering machine etc,wire industry,powder metallurgy,cooling system,casting embedding,Gripper Swing,thread processing machine,Medical equipment,sewage pump,pressure control valve,Hydraulic Equipment
• Similar models:ISO 71903CDB FAG B71903-E-T-P4S CX 71903C SNR MLE71903HVUJ74S ISO 71903C ISO 71903A FAG HCB71903-C-T-P4S FAG HC71903-E-T-P4S SKF 71903CE/HCP4A FAG HSS71903-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in S71903ACD/P4A products，there is large inventory of SKF S71903 ACD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the S71903 ACD/P4A Which SKF S71903ACD/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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  RNA-4905	42		17	CONSOLIDATED	NEEDLE BEARINGS
  VLA200644	534	742.3		CONSOLIDATED	SLEWING BEARINGS