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 - 63000 r/min

Limiting speed for oil lubrication - 90000 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 - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.18

Calculation factor - f_HC - 1.04

Preload class A - 18 N/micron

Preload class B - 24 N/micron

Preload class C - 34 N/micron

Preload class D - 47 N/micron

Mass bearing - 0.015 kg

• Model Number:71903 CD/HCP4A
• Inner Diameter：30mm Outer Diameter：17mm Width：7mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-13
• Application:Hydraulic Hose,Rolling mill gear box,reducer,scientific instruments,industry test,Plastic Equipment,ventilation fans,safety testing,EEG,Traffic Fire Protection Equipment Security equipment,electrostatic protection
• Similar models:CX 71903C-UO SKF S71903ACD/P4A SKF S71903CE/P4A FAG HCS71903-C-T-P4S SKF 71903ACE/P4AH FAG HSS71903-E-T-P4S ISO 71903CDT SNR ML71903CVUJ74S SKF S71903ACE/P4A CX 71903CTBP4
• BEARING POWER International Trading Co.,Ltd. specialize in 71903CD/HCP4A products，there is large inventory of SKF 71903 CD/HCP4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71903 CD/HCP4A Which SKF 71903CD/HCP4A 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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