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Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTC
Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTC

The 7008 CD/P4ATBTC is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8190 lbf and reaches speeds of 43000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and matched set of three bearings (arranged > TBT) provide stable operation under moderate preload. The open design and phenolic cage ensure smooth running and easy maintenance.

This bearing excels in precision machinery like spindles or CNC tools, where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.58kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7008 CD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 45 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8190 lbf
  • Static Radial Load 7312 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.58 kg

Features

Performance Features of 7008 CD/P4ATBTC Bearing

7008 CD/P4ATBTC Bearing is designed with a 15° contact angle, offering precise angular contact performance.
Its chrome steel rings and balls ensure durability and resistance to wear under dynamic radial loads up to 8190 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 43,000 rpm, it is suitable for high-speed applications.

7008 CD/P4ATBTC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its moderate preload (Class C) ensures reliable performance in matched arrangements of three bearings.

Application

Industrial Uses of 7008 CD/P4ATBTC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set arrangement provides stability for demanding industrial applications.

Where Is 7008 CD/P4ATBTC Bearing Used?
You’ll often find it in automotive transmissions, supporting smooth gear shifts with its moderate preload. The phenolic cage material helps reduce friction during high-speed operation.

Built for Heavy-Duty Use: 7008 CD/P4ATBTC Bearing
Its chrome steel construction makes it suitable for robotics, handling repetitive motions with reliability. The open seal type allows for easy lubrication in continuous operation.

Automotive vs Aerospace: Applications of 7008 CD/P4ATBTC Bearing
In cars, it’s ideal for wheel hubs, while aerospace applications benefit from its precision in flight control systems. The P4A tolerance class ensures consistent performance in both fields.

Perfect Fit for Automation: 7008 CD/P4ATBTC Bearing
This bearing works well in CNC machines, where its 15° contact angle improves load distribution. The lubricated design reduces maintenance needs in automated production lines.

Q&A

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