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Super Precision Angular Contact Ball Bearings 71904 CEGA/P4A

Super Precision Angular Contact Ball Bearings 71904 CEGA/P4A

The 71904 CEGA/P4A is a super precision angular contact ball bearing, measuring 20mm by 37mm by 9mm, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 1112 lbf dynamically.

With a maximum speed of 100,000 RPM, it spins smoothly and efficiently. The open design and phenolic cage ensure durability and easy maintenance, even in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or dental equipment. Its P4A tolerance class guarantees exceptional accuracy and performance.

Weighing just 0.036kg, it’s lightweight yet robust. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number 71904 CEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 1112 lbf
  • Static Radial Load 531 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.036 kg
Super Precision Angular Contact Ball Bearings 71904 CEGA/P4A dimension drawing
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Features

Performance Features of 71904 CEGA/P4A Bearing

71904 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for precision tasks.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1112 lbf, it handles demanding applications with ease.
The extra light preload enhances performance, making it suitable for high-speed operations up to 100,000 rpm.

71904 CEGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching capability allows flexible arrangement options, including back-to-back or face-to-face setups.

The open design simplifies maintenance, while the P4A tolerance class ensures consistent precision.
Weighing just 0.036 kg, it combines lightweight construction with reliable performance.

Application

Industrial Uses of 71904 CEGA/P4A Bearing
71904 CEGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.

In automotive applications, 71904 CEGA/P4A Bearing supports components like electric motors and gearboxes, thanks to its extra light preload and high-speed capability. Its metric sizing makes it a versatile choice for various vehicle models.

For automation systems, 71904 CEGA/P4A Bearing is ideal for robotic arms and CNC machines, where its phenolic cage reduces friction and noise. The P4A tolerance class ensures consistent operation in precision-driven environments.

Medical equipment benefits from 71904 CEGA/P4A Bearing’s reliability, particularly in imaging devices and surgical tools. Its chrome steel construction provides durability while maintaining smooth, low-friction movement.

In consumer electronics, 71904 CEGA/P4A Bearing can be found in high-performance fans and printers, where its compact size and high-speed capacity are advantageous. The lightweight design also contributes to energy efficiency.

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