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Super Precision Angular Contact Ball Bearings 71913 CEGA/HCPA9A

Super Precision Angular Contact Ball Bearings 71913 CEGA/HCPA9A

The 71913 CEGA/HCPA9A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 3712 lbf and spins smoothly at speeds up to 32,500 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the 15° contact angle provides stable performance under angular loads. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes pre-lubricated for immediate use. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.

Weighing just 0.17kg, it’s lightweight yet robust, with a tolerance class of PA9A for exceptional precision. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number 71913 CEGA/HCPA9A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class PA9A
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3712 lbf
  • Static Radial Load 2745 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.17 kg
  • Price（$） 25.74
Super Precision Angular Contact Ball Bearings 71913 CEGA/HCPA9A dimension drawing
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Features

Performance Features of 71913 CEGA/HCPA9A Bearing

71913 CEGA/HCPA9A Bearing is crafted with chrome steel rings and ceramic balls, offering enhanced durability and reduced friction.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

With a dynamic radial load capacity of 3712 lbf, it performs reliably under demanding conditions.
The phenolic cage maintains ball alignment, contributing to smoother operation.

Designed for high-speed applications, it supports speeds up to 32,500 rpm.
Its extra light preload (Class A) ensures precision in angular contact scenarios.

The open seal type allows for easy lubrication, extending service life.
Its temperature range of -30°C to 110°C makes it suitable for various environments.

Weighing just 0.17 kg, it combines lightweight design with robust performance.
The universal matching capability offers flexibility in back-to-back, face-to-face, or tandem arrangements.

Application

How Does 71913 CEGA/HCPA9A Bearing Improve Performance?
71913 CEGA/HCPA9A Bearing is commonly used in high-speed machine tools, where its ceramic balls reduce friction and heat buildup. The 15° contact angle ensures efficient handling of combined radial and axial loads.

In robotics, 71913 CEGA/HCPA9A Bearing provides smooth motion control for precision arms and joints. Its phenolic cage offers lightweight durability, ideal for repetitive movements.

For aerospace applications, 71913 CEGA/HCPA9A Bearing’s extra light preload enhances stability in navigation systems. The open design allows for easy lubrication, extending service life in demanding conditions.

Medical imaging devices benefit from 71913 CEGA/HCPA9A Bearing’s consistent performance and low noise. The chrome steel rings and ceramic balls ensure reliability in sensitive diagnostic equipment.

In automotive electric motors, 71913 CEGA/HCPA9A Bearing supports high-speed rotation with minimal wear. Its metric sizing and universal matching make it versatile for various vehicle designs.

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