SKF 7008ACB/P4A bearing

SKF 7008ACB/P4A bearing | Angular Contact Ball Bearing | 40x68x15

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Angular contact ball bearings, super-precision 7008 ACB/P4A

• Bearing number : 7008 ACB/P4A
• Size (mm) : 40x68x15
• Brand : SKF
• Bore Diameter (mm) : 40
• Outer Diameter (mm) : 68
• Width (mm) : 15

Bearing dimensions and specification in SKF catalogue:

• d - 40 mm
• D - 68 mm
• B - 15 mm
• d₁ - 50.95 mm
• d₂ - 49.87 mm
• D₂ - 58.88 mm
• r_1,2 - min. - 1 mm
• r_3,4 - min. - 0.6 mm
• a - 20.2 mm
• d_a - min. - 44.6 mm
• d_b - min. - 44.6 mm
• D_a - max. - 63.4 mm
• D_b - max. - 64.8 mm
• r_a - max. - 1 mm
• r_b - max. - 0.6 mm
• d_n - 51.6 mm
• Basic dynamic load rating - C - 6.9 kN
• Basic static load rating - C₀ - 5.3 kN
• Fatigue load limit - P_u - 0.224 kN
• Limiting speed for grease lubrication - 26000 r/min
• Limiting speed for oil lubrication - 40000 mm/min
• Ball - D_w - 4.762 mm
• Ball - z - 26
• G_ref - 2.22 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 - 41 N
• Preload class B - G_B - 82 N
• Preload class C - G_C - 245 N
• Calculation factor - f - 1.04
• Calculation factor - f₁ - 0.99
• Calculation factor - f_2A - 1
• Calculation factor - f_2B - 1.01
• Calculation factor - f_2C - 1.04
• Calculation factor - f_HC - 1
• Preload class A - 71 N/micron
• Preload class B - 92 N/micron
• Preload class C - 138 N/micron
• Mass bearing - 0.21 kg