Super Precision Angular Contact Ball Bearings 71812 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71812 CD/P4DBA

The 71812 CD/P4DBA is a super precision angular contact ball bearing, measuring 60mm by 78mm by 20mm. Made from chrome steel, it offers excellent durability and performance for high-speed applications.

With a 15° contact angle and extra light preload, it handles both radial and axial loads smoothly. Its phenolic cage ensures stable operation at speeds up to 33,000 RPM.

The open design allows for easy lubrication, while the matched pair arrangement (DB) provides balanced load distribution. Ideal for machine tools or spindle applications where precision is key.

Weighing just 0.2kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for reliable replacements. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71812 CD/P4DBA
  • 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 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

Features

Performance Features of 71812 CD/P4DBA Bearing

71812 CD/P4DBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The bearing’s extra light preload (Class A) enhances precision, making it suitable for high-speed operations up to 33,000 rpm.
With a dynamic radial load capacity of 4972 lbf, it delivers reliable performance under stress.

71812 CD/P4DBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its matched arrangement (2 bearings DB) ensures stability and balanced load handling.

Application

Key Fields for 71812 CD/P4DBA Bearing
71812 CD/P4DBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The extra light preload makes it suitable for applications requiring minimal friction.

In automotive systems, 71812 CD/P4DBA Bearing supports components like electric motors and gearboxes, providing reliable operation under radial and axial loads. Its phenolic cage offers durability in high-temperature environments.

For automation equipment, 71812 CD/P4DBA Bearing is ideal for robotic arms and CNC machines, where its matched arrangement enhances stability. The P4 tolerance class ensures consistent performance in demanding conditions.

In medical devices, 71812 CD/P4DBA Bearing’s chrome steel construction provides long-lasting reliability for imaging equipment. Its open design allows for easy lubrication, maintaining smooth operation over time.

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