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Super Precision Angular Contact Ball Bearings 71812 CDGA/P4

Super Precision Angular Contact Ball Bearings 71812 CDGA/P4

The 71812 CDGA/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. Its compact 10mm width makes it suitable for tight spaces while maintaining high performance.

With a 15° contact angle, it handles both radial and thrust loads efficiently, supporting up to 3038 lbf dynamically. It spins smoothly at speeds up to 33,000 RPM, ideal for high-speed applications.

The open design and phenolic cage ensure low friction and easy maintenance. It operates reliably in temperatures from -30°C to 110°C, making it versatile for various environments.

This bearing is interchangeable with SKF models and comes in a matched set of two, suitable for back-to-back, face-to-face, or tandem arrangements. Perfect for precision machinery like spindles or CNC equipment. Weighing just 0.1kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number 71812 CDGA/P4
  • 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 10 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 No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.1 kg
  • Price（$） 86.589
Super Precision Angular Contact Ball Bearings 71812 CDGA/P4 dimension drawing
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Features

Performance Features of 71812 CDGA/P4 Bearing

71812 CDGA/P4 Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 3038 lbf.

The phenolic cage ensures smooth operation, even at high speeds reaching 33,000 rpm.
Precision P4 tolerance guarantees consistent performance in demanding conditions.

With a temperature range of -30°C to 110°C, it remains reliable in varied environments.
The open design simplifies lubrication, reducing maintenance needs over time.

Application

Industrial Uses of 71812 CDGA/P4 Bearing
71812 CDGA/P4 Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The open seal type allows for efficient lubrication, extending service life in demanding conditions.

Where Is 71812 CDGA/P4 Bearing Used?
You’ll find 71812 CDGA/P4 Bearing in automotive transmissions, where its extra light preload helps reduce friction and improve efficiency. Its phenolic cage also provides stability under high rotational speeds.

Optimized for Performance: 71812 CDGA/P4 Bearing
71812 CDGA/P4 Bearing excels in robotics, particularly in articulated arms requiring smooth motion and minimal vibration. The P4 tolerance class ensures consistent performance in precision applications.

Light-Duty vs Heavy-Duty: Best Uses for 71812 CDGA/P4 Bearing
In light-duty applications like dental drills, 71812 CDGA/P4 Bearing offers quiet operation and reliability. For heavier tasks, it maintains performance in industrial pumps and compressors.

Essential Roles of 71812 CDGA/P4 Bearing
71812 CDGA/P4 Bearing is vital in aerospace actuators, where its chrome steel construction handles both radial and axial loads. The 15° contact angle provides optimal load distribution for long-term use.

Q&A

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