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Super Precision Angular Contact Ball Bearings 7012 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 7012 ACD/P4ATBTA

The 7012 ACD/P4ATBTA is a super precision angular contact ball bearing with a 60mm bore and 95mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a set of three matched bearings for balanced performance.

This bearing handles radial loads up to 18720 lbf and can spin at speeds up to 39000 RPM, making it suitable for high-speed applications. Its open design allows for easy lubrication, while the phenolic cage ensures smooth operation.

The extra light preload (Class A) reduces friction, enhancing precision and longevity. Ideal for machine tools or spindle systems where accuracy and speed are crucial.

With a temperature range of -30°C to 110°C, it performs reliably in various environments. Weighing 1.21kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for consistent quality.

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Product Parameters

  • Part Number 7012 ACD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 18720 lbf
  • Static Radial Load 22500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 39000 rpm
  • Weight 1.21 kg
Super Precision Angular Contact Ball Bearings 7012 ACD/P4ATBTA dimension drawing
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Features

Performance Features of 7012 ACD/P4ATBTA Bearing

7012 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads, reaching up to 18720 lbf and 22500 lbf respectively.

The phenolic cage ensures smooth operation at high speeds, with a maximum speed of 39,000 rpm.

With a precision tolerance class of P4A, it delivers reliable performance in demanding conditions.

How Does 7012 ACD/P4ATBTA Bearing Achieve High Precision?

7012 ACD/P4ATBTA Bearing features a matched arrangement of three bearings, ensuring consistent performance in angular contact applications.

The extra light preload (Class A) minimises friction, contributing to its high-speed capability.

Its open design allows for easy lubrication, maintaining smooth operation over time.

The tight tolerances on bore and outer diameters (-0.004mm to 0) enhance its precision.

Engineered for Precision: 7012 ACD/P4ATBTA Bearing

7012 ACD/P4ATBTA Bearing’s chrome steel construction ensures durability and resistance to wear.

With 19 balls of 11.112 mm diameter, it provides balanced load distribution and smooth rotation.

The phenolic cage reduces noise and vibration, making it suitable for high-precision machinery.

Its temperature range of -30°C to 110°C allows for reliable operation in various environments.

Steel vs Ceramic Bearings: Strengths of 7012 ACD/P4ATBTA Bearing

7012 ACD/P4ATBTA Bearing uses chrome steel for both rings and balls, offering a good balance of strength and cost-effectiveness.

The phenolic cage provides excellent heat resistance and reduces friction compared to metal cages.

Weighing 1.21 kg, it maintains a robust structure without excessive bulk.

Its P4A tolerance class ensures high precision, making it suitable for critical applications.

Application

Industrial Uses of 7012 ACD/P4ATBTA Bearing
7012 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 7012 ACD/P4ATBTA Bearing supports components like wheel hubs and transmissions, where its extra light preload enhances performance. The metric sizing ensures compatibility with a variety of vehicle designs.

For robotics, 7012 ACD/P4ATBTA Bearing’s matched arrangement of three bearings provides stability in robotic arms and automated systems. Its chrome steel construction offers durability in continuous operation.

Medical imaging devices benefit from 7012 ACD/P4ATBTA Bearing’s precision and low friction, ensuring smooth and reliable performance. The open seal design allows for easy maintenance in critical applications.

In consumer electronics, 7012 ACD/P4ATBTA Bearing is ideal for high-speed printers and scanners, where its temperature range and lubrication ensure long-lasting operation. The P4A tolerance class guarantees consistent performance.

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