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Super Precision Angular Contact Ball Bearings 7218 CD/HCP4ADGA
Super Precision Angular Contact Ball Bearings 7218 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 7218 CD/HCP4ADGA

The 7218 CD/HCP4ADGA is a super precision angular contact ball bearing with a 90mm bore and 160mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under high speeds.

This bearing handles radial loads up to 46800 lbf and spins at speeds up to 17000 RPM. The phenolic cage and universal matching design allow for flexible arrangements like back-to-back or face-to-face setups.

With an extra light preload (Class A), it offers precise performance in demanding applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing 3.67kg, it operates in temperatures from -30°C to 110°C and comes as a matched set of two bearings. Compliant with P4A tolerance standards for reliable use.

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Product Parameters

  • Part Number 7218 CD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 60 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 16
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 50400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 3.67 kg
  • Price($) 1378.53

Features

Performance Features of 7218 CD/HCP4ADGA Bearing

7218 CD/HCP4ADGA Bearing is designed with a 15° contact angle, offering precise angular contact performance.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.
Its extra light preload ensures minimal resistance, making it ideal for high-speed applications.
With a maximum speed of 17,000 rpm, it delivers reliable performance in demanding conditions.

How Is 7218 CD/HCP4ADGA Bearing Engineered for Reliability?

7218 CD/HCP4ADGA Bearing features phenolic cage material, providing excellent heat resistance and stability.
The universal matching arrangement allows flexible installation in back-to-back, face-to-face, or tandem configurations.
Its P4A tolerance class ensures high precision, meeting stringent industrial requirements.
With a dynamic radial load capacity of 46,800 lbf, it handles heavy loads with ease.

Why Choose 7218 CD/HCP4ADGA Bearing for Precision Tasks?

7218 CD/HCP4ADGA Bearing’s ceramic balls reduce weight and improve high-speed performance.
The open seal type allows for easy lubrication, maintaining optimal operation over time.
Its temperature range of -30°C to 110°C ensures reliability in various environments.
The matched set of two bearings provides balanced load distribution for enhanced accuracy.

Application

Industrial Uses of 7218 CD/HCP4ADGA Bearing
The 7218 CD/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. Its universal matching design allows for flexible arrangements in back-to-back or face-to-face configurations.

Where Is 7218 CD/HCP4ADGA Bearing Used?
You’ll often find the 7218 CD/HCP4ADGA Bearing in precision equipment like CNC spindles, where its P4A tolerance ensures accurate performance. The extra-light preload also makes it suitable for applications requiring minimal deflection.

Built for Heavy-Duty Use: 7218 CD/HCP4ADGA Bearing
In heavy machinery, the 7218 CD/HCP4ADGA Bearing handles radial and angular loads effortlessly, thanks to its chrome steel rings and 15° contact angle. Its lubricated design further extends service life in demanding environments.

Automotive vs Aerospace: Applications of 7218 CD/HCP4ADGA Bearing
In automotive systems, the 7218 CD/HCP4ADGA Bearing supports high-speed components like turbochargers, while in aerospace, its lightweight ceramic balls improve efficiency. The temperature range of -30°C to 110°C ensures reliability in both fields.

Perfect Fit for Automation: 7218 CD/HCP4ADGA Bearing
The 7218 CD/HCP4ADGA Bearing is a go-to choice for robotic arms and automated production lines, where its low friction and high-speed capability enhance precision. The matched set option simplifies installation and maintenance.

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