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Super Precision Angular Contact Ball Bearings 71920 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71920 CDGB/P4A

The 71920 CDGB/P4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle efficiently manages both radial and axial loads, making it versatile for various applications.

This bearing handles dynamic radial loads up to 13612 lbf and reaches speeds of 16000 RPM, thanks to its phenolic cage and lubricated design. It operates smoothly in temperatures from -30°C to 110°C, ensuring reliable performance.

With a P4A tolerance class, it offers exceptional precision for demanding setups. The open seal allows easy maintenance, while its lightweight 0.8kg build balances strength and portability.

Ideal for high-speed machinery like spindles or CNC equipment, it can be paired in back-to-back, face-to-face, or tandem arrangements. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71920 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 13612 lbf
  • Static Radial Load 14738 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.8 kg
Super Precision Angular Contact Ball Bearings 71920 CDGB/P4A dimension drawing
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Features

Performance Features of 71920 CDGB/P4A Bearing

71920 CDGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and reliable performance under high dynamic radial loads of 13612 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it delivers efficiency in high-speed scenarios.

71920 CDGB/P4A Bearing operates effectively in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in demanding conditions.

The open design simplifies lubrication, ensuring minimal maintenance requirements.
Its universal matching capability allows flexible arrangement options for varied applications.

Application

Super Precision Angular Contact Ball Bearings 71920 CDGB/P4A are commonly used in high-speed machine tools, where their 15° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make them suitable for applications requiring minimal friction and heat generation.

In robotics, 71920 CDGB/P4A Bearings provide smooth motion control for articulated arms, thanks to their light preload and P4A tolerance class. Their chrome steel construction ensures durability even in continuous operation scenarios.

For aerospace applications, 71920 CDGB/P4A Bearings offer reliable performance in components like gyroscopes and avionics systems. The metric dimensions and universal matching capability make them adaptable to various international standards.

In medical imaging devices, 71920 CDGB/P4A Bearings contribute to precise positioning of scanning components. Their high dynamic radial load capacity ensures consistent performance in critical healthcare environments.

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