d - 17 mm

D - 30 mm

B - 7 mm

d₁ - 20.9 mm

d₂ - 20.9 mm

D₁ - 25.7 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 6.7 mm

d_a - min. - 19 mm

d_b - min. - 19 mm

D_a - max. - 28 mm

D_b - max. - 28.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 22.1 mm

Basic dynamic load rating - C - 4.2 kN

Basic static load rating - C₀ - 2.1 kN

Fatigue load limit - P_u - 0.088 kN

Limiting speed for grease lubrication - 50000 r/min

Limiting speed for oil lubrication - 75000 mm/min

Ball - D_w - 3.969 mm

Ball - z - 14

G_ref - 0.24 cm3

Calculation factor - f₀ - 9.8

Preload class A - G_A - 15 N

Preload class B - G_B - 30 N

Preload class C - G_C - 60 N

Preload class D - G_D - 120 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.09

Calculation factor - f_2D - 1.15

Calculation factor - f_HC - 1

Preload class A - 16 N/micron

Preload class B - 22 N/micron

Preload class C - 30 N/micron

Preload class D - 43 N/micron

Mass bearing - 0.017 kg

• Model Number:71903 CD/P4A
• Inner Diameter：30mm Outer Diameter：17mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-15
• Application:product accessories,Spectrum Products,Beauty and Body,tower crane,Optical Instruments,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,supporting facilities,other lathe,comprehensive experiment,top industry,food sterilization
• Similar models:SKF 71903ACE/P4AH SNR ML71903HVDUJ74S SKF 71903ACD/HCP4A SKF 71903CE/P4AH SNR 71903HVDUJ74 CX 71903C-UX ISO 71903CDB CX 71903C-UO SNR MLE71903HVDUJ74S SKF 71903ACE/HCP4AH
• BEARING POWER International Trading Co.,Ltd. specialize in 71903CD/P4A products，there is large inventory of SKF 71903 CD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71903 CD/P4A Which SKF 71903CD/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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