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Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTA
Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 7008 CD/P4ATBTA

The 7008 CD/P4ATBTA 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 spins smoothly at speeds up to 43,000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the extra light preload (Class A) reduces friction. The open design allows for easy lubrication and maintenance.

This bearing is part of a matched set of three (TBT arrangement), ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.58kg, it offers a balance of strength and precision. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 7008 CD/P4ATBTA
  • 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 Extra light / Class A
  • 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

Why Choose 7008 CD/P4ATBTA Bearing for Precision Tasks?

7008 CD/P4ATBTA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under radial loads up to 8190 lbf.

The phenolic cage in 7008 CD/P4ATBTA Bearing reduces friction, enhancing performance at speeds up to 43,000 rpm.
With a P4A tolerance class, it delivers exceptional accuracy for demanding tasks.

7008 CD/P4ATBTA Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.
Its matched arrangement of three bearings provides stability in complex setups.

The extra light preload of 7008 CD/P4ATBTA Bearing ensures minimal friction, extending service life.
This design is ideal for applications requiring both precision and reliability.

Application

Industrial Uses of 7008 CD/P4ATBTA Bearing
7008 CD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 7008 CD/P4ATBTA Bearing provides smooth movement for articulated arms, thanks to its extra light preload. Its matched arrangement of three bearings enhances stability in dynamic applications.

For aerospace components, 7008 CD/P4ATBTA Bearing handles radial and axial loads efficiently, even at high speeds. The P4A tolerance class guarantees consistent performance in critical systems.

Where Is 7008 CD/P4ATBTA Bearing Used?
7008 CD/P4ATBTA Bearing fits well in medical imaging devices, where precision and reliability are essential. Its chrome steel construction ensures durability in sterile environments.

In automotive testing equipment, 7008 CD/P4ATBTA Bearing supports precise measurements due to its low friction and high-speed capability. The open seal design allows for easy lubrication maintenance.

Built for Heavy-Duty Use: 7008 CD/P4ATBTA Bearing
7008 CD/P4ATBTA Bearing excels in industrial pumps, handling both radial and axial loads with ease. Its temperature range makes it adaptable to various operating conditions.

For CNC machinery, 7008 CD/P4ATBTA Bearing ensures minimal vibration during high-speed cutting. The matched set configuration improves alignment and load distribution.

Automotive vs Aerospace: Applications of 7008 CD/P4ATBTA Bearing
In automotive transmissions, 7008 CD/P4ATBTA Bearing supports smooth gear shifts with its angular contact design. The high-speed rating makes it ideal for performance vehicles.

For aerospace actuators, 7008 CD/P4ATBTA Bearing offers reliable performance under extreme conditions. Its precision tolerances ensure consistent operation in critical flight systems.

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