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Super Precision Angular Contact Ball Bearings 71812 CD/P2DBA

Super Precision Angular Contact Ball Bearings 71812 CD/P2DBA

The 71812 CD/P2DBA is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4972 lbf and spins smoothly at speeds up to 33,000 RPM.

Its 15° contact angle and matched pair design (DB arrangement) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for extra light performance, this bearing is ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.2kg, this P2-class bearing offers precision without adding bulk. It’s interchangeable with SKF bearings, making replacements straightforward.

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Product Parameters

  • Part Number 71812 CD/P2DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P2
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 4972 lbf
  • Static Radial Load 6412 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 71812 CD/P2DBA dimension drawing
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Features

Performance Features of 71812 CD/P2DBA Bearing

71812 CD/P2DBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

The bearing can handle dynamic radial loads up to 4972 lbf, making it suitable for demanding tasks.
With a maximum speed of 33,000 rpm, it delivers reliable performance in precision machinery.

71812 CD/P2DBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction and extended service life.

The matched arrangement of two bearings (DB) provides stability and balanced load distribution.
This design reduces vibration, making it ideal for high-precision applications.

Application

Where Is 71812 CD/P2DBA Bearing Used?
71812 CD/P2DBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71812 CD/P2DBA Bearing supports components like wheel hubs and transmissions, offering reliable performance under radial and axial loads. Its phenolic cage material helps reduce friction and wear over time.

For robotics and automation, 71812 CD/P2DBA Bearing is ideal for robotic arms and CNC machines, thanks to its extra light preload and high-speed capabilities. The open seal type allows for easy lubrication and maintenance.

In medical imaging equipment, 71812 CD/P2DBA Bearing’s chrome steel construction ensures smooth operation and long service life. The P2 tolerance class guarantees precision in critical applications.

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