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Super Precision Angular Contact Ball Bearings 71813 CDGA/P4

Super Precision Angular Contact Ball Bearings 71813 CDGA/P4

The 71813 CDGA/P4 is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3038 lbf and spins smoothly at speeds up to 36,000 RPM.

Its 15° contact angle and extra light preload ensure smooth operation, while the phenolic cage offers quiet performance. The bearing works well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a set of four for versatile mounting options. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.13kg, it’s lightweight yet robust for its size. Compliant with P4 tolerance standards for precise performance.

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Product Parameters

  • Part Number 71813 CDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 3285 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71813 CDGA/P4 dimension drawing
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Features

Performance Features of 71813 CDGA/P4 Bearing

71813 CDGA/P4 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.

With a dynamic radial load capacity of 3038 lbf, it handles demanding conditions effectively.
The P4 tolerance class guarantees high precision, making it suitable for critical tasks.

Operating at speeds up to 36,000 rpm, it maintains smooth performance.
Its temperature range of -30°C to 110°C ensures reliability in varied environments.

The open design simplifies lubrication, reducing maintenance needs.
Its universal matching capability allows flexible arrangement options.

Application

Industrial Uses of 71813 CDGA/P4 Bearing
The 71813 CDGA/P4 Bearing is well-suited for high-speed machine tools, where its precision angular contact design ensures accurate performance. Its open seal type allows for efficient lubrication, extending service life in demanding conditions.

Where Is 71813 CDGA/P4 Bearing Used?
You’ll often find 71813 CDGA/P4 Bearing in automotive transmissions, where its extra-light preload reduces friction and improves efficiency. The phenolic cage material also helps dampen vibrations, making it ideal for smooth gear shifts.

Built for Heavy-Duty Use: 71813 CDGA/P4 Bearing
In robotics, 71813 CDGA/P4 Bearing supports articulated arms, thanks to its high dynamic radial load capacity. The 15° contact angle provides excellent stability for precise movements in automated systems.

Automotive vs Aerospace: Applications of 71813 CDGA/P4 Bearing
In aerospace, 71813 CDGA/P4 Bearing handles high-speed spindle applications, while in automotive systems, it excels in wheel hubs. Its P4 tolerance class ensures reliability in both industries.

Essential Roles of 71813 CDGA/P4 Bearing
For medical imaging devices, 71813 CDGA/P4 Bearing offers quiet operation and minimal heat generation. The chrome steel construction ensures durability even in continuous-use scenarios.

Q&A

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