SKF 71820ACD/P4 bearing

SKF 71820ACD/P4 bearing | Angular Contact Ball Bearing | 100x125x13

Angular contact ball bearings, super-precision 71820 ACD/P4

• Bearing number : 71820 ACD/P4
• Size (mm) : 100x125x13
• Brand : SKF
• Bore Diameter (mm) : 100
• Outer Diameter (mm) : 125
• Width (mm) : 13

Bearing dimensions and specification in SKF catalogue:

• d - 100 mm
• D - 125 mm
• B - 13 mm
• d₁ - 108.2 mm
• d₂ - 108.2 mm
• D₁ - 117 mm
• r_1,2 - min. - 1 mm
• r_3,4 - min. - 0.3 mm
• a - 32.8 mm
• d_a - min. - 104.6 mm
• d_b - min. - 104.6 mm
• D_a - max. - 120.4 mm
• D_b - max. - 123 mm
• r_a - max. - 1 mm
• r_b - max. - 0.3 mm
• d_n - 109.1 mm
• Basic dynamic load rating - C - 21.2 kN
• Basic static load rating - C₀ - 27.5 kN
• Fatigue load limit - P_u - 1.1 kN
• Limiting speed for grease lubrication - 8500 r/min
• Limiting speed for oil lubrication - 13000 mm/min
• Ball - D_w - 7.144 mm
• Ball - z - 34
• G_ref - 3.2 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 - 190 N
• Preload class B - G_B - 570 N
• Preload class C - G_C - 1140 N
• Calculation factor - f - 1.4
• Calculation factor - f₁ - 0.97
• Calculation factor - f_2A - 1
• Calculation factor - f_2B - 1.08
• Calculation factor - f_2C - 1.15
• Calculation factor - f_HC - 1
• Preload class A - 211 N/micron
• Preload class B - 335 N/micron
• Preload class C - 462 N/micron
• Mass bearing - 0.31 kg