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Super Precision Angular Contact Ball Bearings 71828 CDGC/P4

Super Precision Angular Contact Ball Bearings 71828 CDGC/P4

The 71828 CDGC/P4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10102 lbf and operates smoothly at speeds up to 11000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for angular contact applications. The phenolic cage ensures durability while keeping the weight low at just 0.8kg.

This bearing is suitable for temperatures from -30°C to 110°C and comes lubricated for immediate use. Its P4 tolerance class guarantees high precision in demanding environments.

Ideal for machine tools or high-speed spindles, it can be paired in back-to-back, face-to-face, or tandem arrangements. Interchangeable with SKF bearings, it’s a versatile choice for precision engineering.

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Product Parameters

  • Part Number 71828 CDGC/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 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10102 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.8 kg
Super Precision Angular Contact Ball Bearings 71828 CDGC/P4 dimension drawing
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Features

Performance Features of 71828 CDGC/P4 Bearing

71828 CDGC/P4 Bearing is crafted with chrome steel rings and balls, offering excellent resistance to radial and angular loads.
Its dynamic radial load capacity of 10102 lbf ensures reliable performance in high-speed applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 11,000 rpm, it delivers precision and efficiency.

How Does 71828 CDGC/P4 Bearing Reduce Friction?

71828 CDGC/P4 Bearing features a 15° contact angle, optimising load distribution and minimising friction.
The chrome steel construction and phenolic cage work together to ensure smooth, quiet operation.
Its moderate preload (Class C) enhances stability without increasing friction.
This design makes it ideal for precision machinery requiring low friction and high accuracy.

Engineered for Precision: 71828 CDGC/P4 Bearing

71828 CDGC/P4 Bearing meets P4 tolerance standards, ensuring exceptional precision for critical applications.
The 35 chrome steel balls and precise raceway design contribute to its high accuracy.
It supports universal matching for back-to-back, face-to-face, or tandem arrangements.
This flexibility makes it suitable for complex setups requiring exact alignment.

Chrome Steel vs Stainless Steel: Reliability of 71828 CDGC/P4 Bearing

71828 CDGC/P4 Bearing uses chrome steel for rings and balls, offering superior strength and wear resistance.
The phenolic cage provides additional durability while reducing weight.
This combination ensures long service life even under heavy radial loads.
Its temperature range of -30°C to 110°C allows reliable operation in varied environments.

Why Choose 71828 CDGC/P4 Bearing for Precision Tasks?

71828 CDGC/P4 Bearing’s P4 tolerance and 15° contact angle deliver unmatched accuracy for precision tasks.
The lubricated design reduces maintenance needs while ensuring consistent performance.
With 35 balls and a dynamic load capacity of 10102 lbf, it handles demanding applications effortlessly.
Its universal matching capability adds versatility for complex installations.

Application

Key Fields for 71828 CDGC/P4 Bearing
The 71828 CDGC/P4 Bearing is well-suited for high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. Its moderate preload helps maintain stability during high-speed operations.

In robotics, 71828 CDGC/P4 Bearing supports articulated arms, providing smooth motion control thanks to its phenolic cage and chrome steel construction. The P4 tolerance class makes it ideal for applications demanding minimal vibration.

For aerospace components, 71828 CDGC/P4 Bearing offers reliable performance in navigation systems, where consistent accuracy is essential. Its open design allows for easy lubrication, extending service life in demanding conditions.

Q&A

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