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Super Precision Angular Contact Ball Bearings 71812 CD/P4DBB

Super Precision Angular Contact Ball Bearings 71812 CD/P4DBB

The 71812 CD/P4DBB 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 arrangement of two bearings (DB) provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing just 0.2kg, it’s lightweight yet robust. Compliant with P4 tolerance class for exceptional accuracy. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71812 CD/P4DBB
  • 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 P4
  • 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 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/P4DBB dimension drawing
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Features

Performance Features of 71812 CD/P4DBB Bearing

71812 CD/P4DBB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 4972 lbf, it handles demanding conditions efficiently.

The matched arrangement of two bearings enhances stability and performance in high-speed operations.

Application

Key Fields for 71812 CD/P4DBB Bearing
71812 CD/P4DBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings enhances stability, making it ideal for grinding and milling applications.

In automotive systems, 71812 CD/P4DBB Bearing supports components like turbochargers and transmission shafts, where its light preload reduces friction. The phenolic cage material also helps withstand high temperatures common in engine environments.

For medical imaging devices, 71812 CD/P4DBB Bearing’s P4 tolerance class provides the precision needed for smooth, quiet operation. Its chrome steel construction ensures long-lasting performance in critical diagnostic equipment.

In robotics, 71812 CD/P4DBB Bearing is often found in articulated arms, where its high-speed capability and low friction are essential. The open design allows for easy lubrication, maintaining efficiency in continuous operation.

For consumer electronics like high-end printers, 71812 CD/P4DBB Bearing’s compact size and reliability ensure consistent performance. Its metric dimensions make it a versatile choice for various European and Asian device models.

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