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Super Precision Angular Contact Ball Bearings 7212 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 7212 ACD/P4ADBB

The 7212 ACD/P4ADBB is a super precision angular contact ball bearing with a 60mm bore and 110mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 19890 lbf and spins smoothly at speeds up to 36000 RPM. Its phenolic cage ensures quiet operation and long service life, even under light preload conditions.

The open design allows for easy lubrication, making maintenance straightforward. It operates reliably in temperatures ranging from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and smooth rotation are essential. Weighing 1.62kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for exceptional precision.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. The matched pair setup ensures consistent performance in demanding environments.

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Product Parameters

  • Part Number 7212 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 19890 lbf
  • Static Radial Load 20250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 1.62 kg
Super Precision Angular Contact Ball Bearings 7212 ACD/P4ADBB dimension drawing
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Features

Performance Features of 7212 ACD/P4ADBB Bearing

7212 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear under high dynamic radial loads of 19890 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation at speeds up to 36,000 rpm.
With a matched arrangement of two bearings, it provides stability and precision in demanding conditions.

The light preload (Class B) ensures consistent performance while minimising unnecessary friction.
Its open design allows for easy lubrication, extending service life in temperatures ranging from -30°C to 110°C.

Application

Industrial Uses of 7212 ACD/P4ADBB Bearing
7212 ACD/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 7212 ACD/P4ADBB Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. The light preload setting helps reduce friction, improving fuel efficiency.

For medical imaging devices, 7212 ACD/P4ADBB Bearing’s phenolic cage offers smooth operation with minimal noise, crucial for sensitive equipment. Its P4A tolerance class ensures consistent performance in critical diagnostic tools.

In robotics, 7212 ACD/P4ADBB Bearing is ideal for articulated arms requiring precise movement. The chrome steel construction provides durability while maintaining low friction during high-speed operations.

Home appliances like washing machines benefit from 7212 ACD/P4ADBB Bearing’s balanced load capacity. The open design allows for easy lubrication, extending the bearing’s lifespan in everyday use.

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