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Super Precision Angular Contact Ball Bearings 71828 ACDGA/P4

Super Precision Angular Contact Ball Bearings 71828 ACDGA/P4

The 71828 ACDGA/P4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9518 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and extra light preload ensure precise performance, while the phenolic cage offers quiet operation. The bearing works reliably in temperatures from -30°C to 110°C.

This open-design bearing is lubricated for easy maintenance and comes in a universal matching set for versatile mounting options. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 0.8kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 71828 ACDGA/P4
  • 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 Chrome Steel
  • 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 0.8 kg
  • Price（$） 376.74
Super Precision Angular Contact Ball Bearings 71828 ACDGA/P4 dimension drawing
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Features

Performance Features of 71828 ACDGA/P4 Bearing

71828 ACDGA/P4 Bearing is designed with a 25° contact angle, offering excellent radial and axial load capacity.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and noise during operation.
With a maximum speed of 11,000 rpm, it delivers reliable performance in precision tasks.

71828 ACDGA/P4 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload enhances smoothness, making it ideal for high-precision machinery.

The open design allows for easy lubrication, ensuring consistent performance over time.
Its dynamic radial load capacity of 9518 lbf makes it suitable for demanding industrial applications.

Application

Where Is 71828 ACDGA/P4 Bearing Used?
71828 ACDGA/P4 Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations.

In automotive applications, 71828 ACDGA/P4 Bearing supports components like electric motors and gearboxes, thanks to its extra light preload and P4 tolerance class. Its chrome steel construction offers durability in demanding conditions.

For automation systems, 71828 ACDGA/P4 Bearing excels in robotic arms and CNC machinery, where smooth rotation and minimal friction are key. The universal matching option allows flexible installation in various configurations.

Medical imaging devices benefit from 71828 ACDGA/P4 Bearing’s precision and reliability, ensuring consistent performance in critical diagnostics. The temperature range of -30°C to 110°C adds to its versatility.

Q&A

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