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Super Precision Angular Contact Ball Bearings 71828 ACDGA/HCP4

Super Precision Angular Contact Ball Bearings 71828 ACDGA/HCP4

The 71828 ACDGA/HCP4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 9518 lbf and spins efficiently at speeds up to 11000 RPM. Its extra light preload ensures minimal friction, making it ideal for high-precision applications.

The open design allows easy lubrication, while the phenolic cage offers stability. It works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

Perfect for machine tools or spindle drives where precision and speed are crucial. Weighing 0.71kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71828 ACDGA/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 9518 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.71 kg
Super Precision Angular Contact Ball Bearings 71828 ACDGA/HCP4 dimension drawing
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Features

Performance Features of 71828 ACDGA/HCP4 Bearing

71828 ACDGA/HCP4 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 9518 lbf, it handles high-stress conditions reliably.
Its phenolic cage ensures stable performance at speeds up to 11,000 rpm.

The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.
Its universal matching capability allows flexible arrangement in back-to-back or face-to-face configurations.

Operating between -30°C to 110°C, 71828 ACDGA/HCP4 Bearing performs well in varied temperature conditions.
The preload class A ensures minimal deflection under extra light loads.

Application

Industrial Uses of 71828 ACDGA/HCP4 Bearing
71828 ACDGA/HCP4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In automotive systems, 71828 ACDGA/HCP4 Bearing supports components like electric motors and gearboxes, where its extra light preload enhances performance. The phenolic cage provides durability in varying temperature conditions.

For automation equipment, 71828 ACDGA/HCP4 Bearing’s P4 tolerance class ensures reliable operation in robotic arms and CNC machines. Its universal matching capability allows for flexible configurations in complex setups.

Medical imaging devices benefit from 71828 ACDGA/HCP4 Bearing’s smooth operation and low heat generation. The chrome steel rings and ceramic balls contribute to long service life in demanding environments.

In consumer electronics, 71828 ACDGA/HCP4 Bearing is found in high-end printers and scanners, where precision and quiet operation are essential. The lubricated design ensures consistent performance over time.

Q&A

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