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Super Precision Angular Contact Ball Bearings 7008 CD/P4AQBTC
Super Precision Angular Contact Ball Bearings 7008 CD/P4AQBTC

Super Precision Angular Contact Ball Bearings 7008 CD/P4AQBTC

The 7008 CD/P4AQBTC 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 9945 lbf and operates smoothly at speeds up to 43,000 RPM.

Its 15° contact angle and matched set of four bearings provide stable performance under angular loads. The phenolic cage ensures quiet operation and longevity, even in demanding conditions.

This bearing is preloaded for moderate stiffness, making it suitable for high-precision applications. Ideal for machine tools or spindle drives where accuracy and speed are crucial.

Weighing 0.77kg, it’s designed for temperatures ranging from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 7008 CD/P4AQBTC
  • 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 60 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 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • 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 9945 lbf
  • Static Radial Load 9900 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.77 kg

Features

Performance Features of 7008 CD/P4AQBTC Bearing

7008 CD/P4AQBTC Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 43,000 rpm, it delivers reliable performance in precision tasks.

7008 CD/P4AQBTC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) ensures stability and reduces vibration during use.

The matched arrangement of four bearings provides consistent performance in demanding setups.
Dynamic radial load capacity of 9945 lbf makes it suitable for heavy-duty applications.

Application

Industrial Uses of 7008 CD/P4AQBTC Bearing
7008 CD/P4AQBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 7008 CD/P4AQBTC Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage reduces friction, enhancing performance under demanding conditions.

For robotics, 7008 CD/P4AQBTC Bearing provides smooth motion in articulated arms and precision gears. The matched set arrangement ensures consistent alignment, crucial for repetitive tasks.

Medical imaging devices benefit from 7008 CD/P4AQBTC Bearing’s low noise and vibration. The P4A tolerance class guarantees the precision needed for sensitive diagnostic equipment.

In automation systems, 7008 CD/P4AQBTC Bearing is ideal for CNC machinery and 3D printers. Its high-speed capability and durability make it a reliable choice for continuous operation.

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