Super Precision Angular Contact Ball Bearings S7012 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings S7012 ACD/P4ADBB

The S7012 ACD/P4ADBB is a super precision angular contact ball bearing with a 60mm bore and 95mm outer diameter, crafted from durable chrome steel. Its sealed design and grease lubrication ensure smooth operation with minimal maintenance.

With a 25° contact angle and light preload, it handles radial loads up to 14040 lbf and spins at speeds up to 32,500 RPM. The matched pair arrangement (DB) provides stability for high-precision applications.

The phenolic cage reduces friction, while the P4A tolerance class guarantees consistent performance. Ideal for machine tools or spindle drives where accuracy and speed are key.

Weighing 0.82kg, this bearing operates in temperatures from -30°C to 110°C. It’s interchangeable with SKF models, offering a reliable replacement option.

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Product Parameters

  • Part Number S7012 ACD/P4ADBB
  • 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 36 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 Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 14040 lbf
  • Static Radial Load 15075 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.82 kg

Features

How Does S7012 ACD/P4ADBB Bearing Achieve Super Precision?

S7012 ACD/P4ADBB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its matched arrangement of two bearings ensures balanced load distribution and smooth operation.

The chrome steel rings and balls enhance durability, while the phenolic cage reduces friction.
With a dynamic radial load capacity of 14,040 lbf, it handles demanding tasks with ease.

S7012 ACD/P4ADBB Bearing operates at speeds up to 32,500 rpm, maintaining stability and efficiency.
Its sealed design and grease lubrication minimise maintenance, ensuring long-term reliability.

The P4A tolerance class guarantees exceptional precision, ideal for critical applications.
Its compact size (60 mm×95 mm×36 mm) makes it suitable for space-constrained installations.

Application

Industrial Uses of S7012 ACD/P4ADBB Bearing
S7012 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched pair design (DB arrangement) enhances stability in demanding industrial environments.

In automotive applications, S7012 ACD/P4ADBB Bearing supports high-speed spindle systems, such as those found in electric vehicle motors. Its phenolic cage and grease lubrication contribute to smooth, low-noise operation even at elevated speeds.

For medical imaging devices like MRI scanners, S7012 ACD/P4ADBB Bearing’s P4A tolerance class guarantees the precision required for sensitive diagnostics. The sealed design also helps maintain cleanliness in sterile environments.

Automation & robotics benefit from S7012 ACD/P4ADBB Bearing’s light preload, which reduces friction in articulated arms and CNC systems. The chrome steel construction ensures long service life despite continuous operation.

In aerospace applications, S7012 ACD/P4ADBB Bearing handles both radial and thrust loads in avionics equipment. Its temperature range (-30°C to 110°C) makes it suitable for varying operational conditions.

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