d - 20 mm

D - 37 mm

B - 9 mm

d₁ - 25.65 mm

d₂ - 24.4 mm

D₁ - 31.49 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 11.6 mm

d_a - min. - 22 mm

d_b - min. - 22 mm

D_a - max. - 35 mm

D_b - max. - 36.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 26.7 mm

Basic dynamic load rating - C - 4.7 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.098 kN

Limiting speed for grease lubrication - 52000 r/min

Limiting speed for oil lubrication - 78000 mm/min

Ball - D_w - 4.762 mm

Ball - z - 14

G_ref - 0.5 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 - 42 N

Preload class B - G_B - 130 N

Preload class C - G_C - 250 N

Calculation factor - f - 1.04

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.07

Calculation factor - f_HC - 1

Preload class A - 47 N/micron

Preload class B - 69 N/micron

Preload class C - 88 N/micron

Mass bearing - 0.036 kg

• Model Number: 71904 ACE/P4A
• Inner Diameter：37mm Outer Diameter：20mm Width：9mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-11
• Application:journal lathe,historical instruments,test laboratory equipment and accessories,Dental Equipment,Automobile,Gear grinding machine,packaging machinery,supporting facilities,tobacco machinery,cleaners,Tool
• Similar models:SKF 71904CE/P4A SKF 71904CE/HCP4AH SNR 71904HVDUJ74 SNR 71904CVDUJ74 SKF 71904ACE/HCP4A FAG HSS71904-C-T-P4S SKF 71904ACE/P4A SKF 71904ACE/HCP4AH SKF S71904ACD/P4A FAG HCB71904-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in 71904ACE/P4A products，there is large inventory of SKF 71904 ACE/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the 71904 ACE/P4A Which SKF 71904ACE/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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