SKF 7021CD/P4A bearing

SKF 7021CD/P4A bearing | Angular Contact Ball Bearing | 105x160x26

Angular contact ball bearings, super-precision 7021 CD/P4A

• Bearing number : 7021 CD/P4A
• Size (mm) : 105x160x26
• Brand : SKF
• Bore Diameter (mm) : 105
• Outer Diameter (mm) : 160
• Width (mm) : 26

Bearing dimensions and specification in SKF catalogue:

• d - 105 mm
• D - 160 mm
• B - 26 mm
• d₁ - 121.9 mm
• d₂ - 121.9 mm
• D₁ - 143.1 mm
• r_1,2 - min. - 2 mm
• r_3,4 - min. - 1 mm
• a - 30.8 mm
• d_a - min. - 114 mm
• d_b - min. - 114 mm
• D_a - max. - 151 mm
• D_b - max. - 155 mm
• r_a - max. - 2 mm
• r_b - max. - 1 mm
• d_n - 125.6 mm
• Basic dynamic load rating - C - 95.6 kN
• Basic static load rating - C₀ - 96.5 kN
• Fatigue load limit - P_u - 3.6 kN
• Limiting speed for grease lubrication - 8000 r/min
• Limiting speed for oil lubrication - 13000 mm/min
• Ball - D_w - 17.462 mm
• Ball - z - 21
• G_ref - 20.4 cm3
• Calculation factor - f₀ - 15.7
• Preload class A - G_A - 360 N
• Preload class B - G_B - 720 N
• Preload class C - G_C - 1440 N
• Preload class D - G_D - 2880 N
• Calculation factor - f - 1.15
• Calculation factor - f₁ - 1
• Calculation factor - f_2A - 1
• Calculation factor - f_2B - 1.02
• Calculation factor - f_2C - 1.05
• Calculation factor - f_2D - 1.09
• Calculation factor - f_HC - 1
• Preload class A - 117 N/micron
• Preload class B - 159 N/micron
• Preload class C - 223 N/micron
• Preload class D - 324 N/micron
• Mass bearing - 1.592 kg