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Super Precision Angular Contact Ball Bearings 7020 CDGB/P4A

Super Precision Angular Contact Ball Bearings 7020 CDGB/P4A

The 7020 CDGB/P4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and phenolic cage ensure smooth operation under radial loads up to 18720 lbf.

This bearing spins efficiently at speeds up to 20,000 RPM and handles temperatures from -30°C to 110°C. Its open design allows for easy lubrication, while the P4A tolerance class guarantees consistent performance.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and reliability are key. Weighing 1.26kg, it’s robust yet manageable for its size. Compatible with SKF bearings, making replacements straightforward.

It can be used in matched sets of three, arranged back-to-back, face-to-face, or tandem for versatile load handling. A dependable choice for demanding industrial environments.

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Product Parameters

  • Part Number 7020 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • 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 18720 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 20000 rpm
  • Weight 1.26 kg
Super Precision Angular Contact Ball Bearings 7020 CDGB/P4A dimension drawing
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Features

Performance Features of 7020 CDGB/P4A Bearing

7020 CDGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 18720 lbf.

The phenolic cage in 7020 CDGB/P4A Bearing maintains ball alignment, reducing friction and wear.
With a maximum speed of 20,000 rpm, it delivers reliable performance in high-speed operations.

7020 CDGB/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in demanding applications.

Application

Super Precision Angular Contact Ball Bearings 7020 CDGB/P4A are commonly used in high-speed machine tools, where their 15° contact angle ensures accurate radial and axial load distribution. The open design and phenolic cage make them suitable for environments requiring minimal friction and heat generation.

In robotics, 7020 CDGB/P4A Bearings provide smooth motion control for articulated arms, thanks to their P4A tolerance class and light preload. Their compatibility with matched arrangements (back-to-back or face-to-face) adds versatility for complex mechanical setups.

For aerospace applications, 7020 CDGB/P4A Bearings handle precise positioning in flight control systems, where their chrome steel construction offers durability under varying temperatures. The high dynamic radial load capacity ensures reliability in demanding conditions.

Medical imaging devices benefit from 7020 CDGB/P4A Bearings’ low vibration and noise levels, critical for maintaining clarity in diagnostic equipment. The lubricated design further enhances long-term performance with minimal maintenance.

In automation systems, 7020 CDGB/P4A Bearings support high-speed spindles and linear guides, ensuring consistent accuracy. Their universal matching capability allows for easy integration into existing setups without compromising performance.

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