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Super Precision Angular Contact Ball Bearings 7008 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7008 CD/P4ADBC

The 7008 CD/P4ADBC 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 6210 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 15° contact angle and matched pair design (DB arrangement) provide excellent stability under moderate preload. The phenolic cage ensures quiet operation and long service life.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. It operates well in temperatures from -30°C to 110°C.

Weighing 0.38kg, it’s a robust yet lightweight solution. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7008 CD/P4ADBC
  • 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 30 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 6210 lbf
  • Static Radial Load 4950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 7008 CD/P4ADBC dimension drawing
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Features

Performance Features of 7008 CD/P4ADBC Bearing

7008 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 6210 lbf.

The matched arrangement of two bearings in a DB configuration enhances stability and performance.
With a maximum speed of 41,000 rpm, it is suitable for high-speed operations.

Phenolic cage material reduces friction and wear, extending the bearing’s service life.
Its moderate preload (Class C) ensures consistent performance in demanding conditions.

The open seal design allows for easy lubrication, maintaining optimal performance.
Operating within a temperature range of -30°C to 110°C, it adapts to various environments.

Application

Industrial Uses of 7008 CD/P4ADBC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload also helps maintain stability during heavy cutting operations.

In automotive applications, 7008 CD/P4ADBC Bearing supports gearbox systems, providing smooth power transmission under angular loads. Its matched arrangement further enhances durability in high-speed scenarios.

For robotics, 7008 CD/P4ADBC Bearing is ideal for articulated arms, offering precise movement control. The phenolic cage reduces friction, making it suitable for repetitive tasks.

Medical imaging devices benefit from 7008 CD/P4ADBC Bearing’s low-noise operation and consistent performance. The P4A tolerance class ensures reliability in sensitive diagnostic equipment.

In automation systems, this bearing is often found in CNC machinery, where its high-speed capability improves production efficiency. The chrome steel construction also extends service life in demanding environments.

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