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Super Precision Angular Contact Ball Bearings 71968 ACDMA/HCP4A

Super Precision Angular Contact Ball Bearings 71968 ACDMA/HCP4A

The 71968 ACDMA/HCP4A is a super precision angular contact ball bearing, measuring 340mm by 460mm by 56mm, with a 25° contact angle. Made from chrome steel rings and ceramic balls, it offers high durability and smooth operation.

This bearing can handle dynamic radial loads up to 81900 lbf and static loads up to 144000 lbf, making it suitable for heavy-duty applications. It operates at speeds up to 4000 RPM and works in temperatures from -30°C to 110°C.

Its open design and phenolic cage ensure easy maintenance and long service life. The P4 tolerance class (ABEC-7) guarantees exceptional precision for demanding tasks.

Ideal for high-precision machinery like CNC spindles or aerospace equipment, where accuracy and reliability are crucial. Weighing 21.6kg, it’s robust yet designed for performance.

Matched arrangements and preload options are available for tailored solutions. Interchangeable with SKF bearings, it’s a versatile choice for replacements or upgrades.

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Product Parameters

  • Part Number 71968 ACDMA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 340 mm
  • Bore Dia Tolerance -0.016mm to 0
  • Outer Dia 460 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 81900 lbf
  • Static Radial Load 144000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 4000 rpm
  • Weight 21.6 kg
  • Price（$） 11386.215
Super Precision Angular Contact Ball Bearings 71968 ACDMA/HCP4A dimension drawing
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Features

Performance Features of 71968 ACDMA/HCP4A Bearing

71968 ACDMA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds up to 4,000 rpm.
With a dynamic radial load capacity of 81,900 lbf, it handles demanding conditions reliably.

71968 ACDMA/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in super precision applications.

The open design allows for easy lubrication, extending maintenance intervals.
Weighing 21.6 kg, it balances strength and performance in industrial settings.

Application

Essential Roles of 71968 ACDMA/HCP4A Bearing
71968 ACDMA/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In aerospace systems, 71968 ACDMA/HCP4A Bearing supports components like jet engine shafts, thanks to its phenolic cage and high dynamic load capacity. Its P4 tolerance class guarantees reliability in extreme conditions.

For robotics, 71968 ACDMA/HCP4A Bearing’s matched arrangement option enhances performance in articulated arms, ensuring precise movement. The open design allows for easy lubrication, extending service life in continuous operations.

Medical imaging devices benefit from 71968 ACDMA/HCP4A Bearing’s low friction and high-speed capabilities. The chrome steel rings and ceramic balls provide durability, crucial for maintaining imaging accuracy over time.

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