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Super Precision Angular Contact Ball Bearings 7220 CDGB/P4A

Super Precision Angular Contact Ball Bearings 7220 CDGB/P4A

The 7220 CDGB/P4A is a super precision angular contact ball bearing with a 100mm bore and 180mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 35100 lbf and operates smoothly at speeds up to 16250 RPM.

With a 15° contact angle and light preload, it offers excellent accuracy for demanding applications. The phenolic cage ensures durability while keeping the bearing lightweight.

This bearing is ideal for high-precision machinery like CNC spindles or grinding equipment. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile use.

Weighing 3.24kg, it complies with P4A tolerance standards for superior performance. Suitable for temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number 7220 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 34 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 15
  • 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 35100 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 3.24 kg
  • Price（$） 366.381
Super Precision Angular Contact Ball Bearings 7220 CDGB/P4A dimension drawing
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Features

Performance Features of 7220 CDGB/P4A Bearing

7220 CDGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage in 7220 CDGB/P4A Bearing reduces friction, allowing smooth operation at speeds up to 16,250 rpm.
With a dynamic radial load capacity of 35,100 lbf, it handles demanding conditions with ease.

7220 CDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class ensures reliable performance in high-accuracy applications.

The open design of 7220 CDGB/P4A Bearing simplifies lubrication, enhancing its service life.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Super Precision Angular Contact Ball Bearings 7220 CDGB/P4A
Common Applications of 7220 CDGB/P4A Bearing

7220 CDGB/P4A Bearing is widely used in high-speed machine tools, where its 15° contact angle ensures smooth operation under radial and axial loads. The phenolic cage reduces friction, making it suitable for precision grinding applications.

In robotics, 7220 CDGB/P4A Bearing provides reliable performance in articulated arms, thanks to its P4A tolerance class. The chrome steel construction offers durability in repetitive motion scenarios.

For aerospace applications, 7220 CDGB/P4A Bearing handles demanding loads in landing gear systems. Its light preload design ensures consistent performance even under extreme temperature variations.

Medical imaging devices benefit from 7220 CDGB/P4A Bearing’s low vibration characteristics. The open seal type allows for easy lubrication maintenance in sensitive environments.

Automotive testing equipment often incorporates 7220 CDGB/P4A Bearing for its high-speed capabilities. The metric sizing ensures compatibility with European-designed testing rigs.

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