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Super Precision Angular Contact Ball Bearings 71934 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71934 CDGA/HCP4A

The 71934 CDGA/HCP4A is a super precision angular contact ball bearing, measuring 170mm by 230mm by 28mm. Made from chrome steel with ceramic balls, it offers smooth operation and high durability.

With a 15° contact angle, it handles radial loads up to 29925 lbf and spins at speeds up to 16250 RPM. Its phenolic cage ensures stability, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tools or spindles, where accuracy is key. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile use.

Weighing 2.34kg, it meets P4A tolerance standards and operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a reliable choice for demanding setups.

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Product Parameters

  • Part Number 71934 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 29925 lbf
  • Static Radial Load 37350 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.34 kg
Super Precision Angular Contact Ball Bearings 71934 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71934 CDGA/HCP4A Bearing

71934 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle provides excellent radial and axial load capacity, suitable for demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load of 29,925 lbf, it handles heavy loads efficiently while maintaining stability.

71934 CDGA/HCP4A Bearing operates at speeds up to 16,250 rpm, ideal for high-performance machinery.
Its extra light preload (Class A) ensures minimal vibration and noise during operation.

The open design allows for easy lubrication, extending the bearing’s service life.
It functions reliably in temperatures ranging from -30°C to 110°C, adapting to various working conditions.

Application

Industrial Uses of 71934 CDGA/HCP4A Bearing
71934 CDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation even under demanding conditions.

In aerospace applications, 71934 CDGA/HCP4A Bearing provides reliable performance in components like jet engine gearboxes. Its P4A tolerance class guarantees the precision needed for critical flight systems.

For robotics, 71934 CDGA/HCP4A Bearing’s angular contact design supports precise movement in robotic arms. The chrome steel rings and ceramic balls offer durability and long service life in automated environments.

Where Is 71934 CDGA/HCP4A Bearing Used?
71934 CDGA/HCP4A Bearing is ideal for precision spindles in CNC machines, where its high-speed capability and low heat generation are key. The open seal design allows for easy lubrication and maintenance.

In medical imaging devices, 71934 CDGA/HCP4A Bearing ensures quiet and smooth rotation for accurate diagnostics. The ceramic balls and phenolic cage minimize vibration, enhancing image clarity.

Built for Heavy-Duty Use: 71934 CDGA/HCP4A Bearing
71934 CDGA/HCP4A Bearing handles heavy radial loads in industrial pumps, making it a reliable choice for continuous operation. Its chrome steel construction resists wear in harsh environments.

For wind turbine generators, 71934 CDGA/HCP4A Bearing’s high dynamic load capacity ensures stability under varying wind conditions. The ceramic balls reduce friction, improving energy efficiency.

Automotive vs Aerospace: Applications of 71934 CDGA/HCP4A Bearing
In automotive testing equipment, 71934 CDGA/HCP4A Bearing provides precise angular contact for accurate measurements. Its high-speed performance suits dynamometers and other testing rigs.

For aerospace actuators, 71934 CDGA/HCP4A Bearing’s lightweight design and high precision are essential. The universal matching feature allows for flexible configurations in complex systems.

Q&A

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