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Super Precision Angular Contact Ball Bearings S7011 ACD/P4A

Super Precision Angular Contact Ball Bearings S7011 ACD/P4A

The S7011 ACD/P4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 8348 lbf and operates smoothly at speeds up to 14,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or high-speed motors. It meets P4 tolerance standards for exceptional accuracy.

Weighing 0.38kg, it’s a robust yet lightweight choice for demanding environments. Suitable for temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number S7011 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8348 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 0.38 kg
  • Price（$） 398.556
Super Precision Angular Contact Ball Bearings S7011 ACD/P4A dimension drawing
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Features

Performance Features of S7011 ACD/P4A Bearing

S7011 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage in S7011 ACD/P4A Bearing provides stability and reduces friction during high-speed operation.
With a maximum speed of 14,000 rpm, it delivers reliable performance in precision tasks.

S7011 ACD/P4A Bearing’s P4 tolerance class guarantees exceptional accuracy for demanding applications.
Its sealed design keeps lubrication intact, reducing maintenance needs.

The dynamic radial load capacity of 8348 lbf ensures S7011 ACD/P4A Bearing handles heavy loads with ease.
Its temperature range of -30° to 110°C makes it suitable for varied operating conditions.

Application

Industrial Uses of S7011 ACD/P4A Bearing
S7011 ACD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S7011 ACD/P4A Bearing supports high-speed components like electric motor shafts, thanks to its P4 tolerance class. The phenolic cage reduces friction, making it suitable for prolonged use.

For robotics, S7011 ACD/P4A Bearing provides reliable motion control in articulated arms, where smooth operation is essential. Its chrome steel rings and balls offer durability under repetitive angular loads.

Medical imaging devices benefit from S7011 ACD/P4A Bearing’s precision, ensuring stable movement in scanners and diagnostic equipment. The lubricated design also minimises maintenance needs in critical healthcare settings.

In automation systems, S7011 ACD/P4A Bearing is ideal for CNC machinery, where consistent performance is key. The 25° contact angle helps manage combined radial and axial loads efficiently.

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