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Super Precision Angular Contact Ball Bearings 7212 CD/P4ADBD

Super Precision Angular Contact Ball Bearings 7212 CD/P4ADBD

The 7212 CD/P4ADBD is a super precision angular contact ball bearing with a 60mm bore and 110mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 21060 lbf and operates smoothly at speeds up to 36000 RPM.

Its 15° contact angle and heavy preload (Class D) ensure stability under demanding conditions, while the phenolic cage offers durability. The open design allows for easy lubrication and maintenance.

This matched set of two bearings ( DB arrangement) is ideal for high-precision applications like machine tool spindles or industrial pumps. It performs reliably in temperatures from -30°C to 110°C.

Weighing 1.62kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 7212 CD/P4ADBD
  • 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 15°
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21060 lbf
  • Static Radial Load 20925 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 CD/P4ADBD dimension drawing
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Features

How Does 7212 CD/P4ADBD Bearing Achieve Super Precision?

7212 CD/P4ADBD Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 21060 lbf, it handles demanding tasks reliably.
The matched arrangement of two bearings enhances stability, making it suitable for high-speed applications up to 36,000 rpm.

Preloaded for heavy-duty use, 7212 CD/P4ADBD Bearing maintains accuracy even under stress.
Its tight tolerances (P4A class) ensure consistent performance in precision machinery.

Application

Industrial Uses of 7212 CD/P4ADBD Bearing
The 7212 CD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its heavy preload and matched arrangement make it suitable for applications demanding minimal deflection.

In automotive systems, 7212 CD/P4ADBD Bearing supports gearbox and drivetrain components, handling both radial and axial loads efficiently. The phenolic cage material helps reduce friction, enhancing performance in high-speed scenarios.

For automation equipment, 7212 CD/P4ADBD Bearing is ideal for robotic arms and CNC machines, thanks to its P4A tolerance class. The chrome steel construction ensures durability even under continuous operation.

Medical imaging devices benefit from 7212 CD/P4ADBD Bearing’s precision and smooth operation, crucial for maintaining accuracy in diagnostic equipment. Its open design allows for easy lubrication, extending service life.

In aerospace applications, 7212 CD/P4ADBD Bearing is trusted for its reliability in flight control systems. The matched bearing arrangement provides stability, essential for critical aviation components.

Q&A

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