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Super Precision Angular Contact Ball Bearings 7208 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7208 CDGA/P4A

The 7208 CDGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7605 lbf and operates smoothly at speeds up to 41,000 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.37kg, it’s a robust yet lightweight choice for precision engineering. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number 7208 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.37 kg
  • Price（$） 8.478
Super Precision Angular Contact Ball Bearings 7208 CDGA/P4A dimension drawing
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Features

Performance Features of 7208 CDGA/P4A Bearing

7208 CDGA/P4A Bearing is designed for super precision applications with a 15° contact angle, ensuring accurate angular contact performance.
Its chrome steel rings and balls provide excellent durability under dynamic radial loads up to 7605 lbf.
The phenolic cage enhances stability and reduces friction, allowing speeds up to 41,000 rpm.
With a temperature range of -30°C to 110°C, it performs reliably in various operating conditions.

Application

Common Applications of 7208 CDGA/P4A Bearing
In machine tools, 7208 CDGA/P4A Bearing ensures smooth spindle rotation due to its high precision and angular contact design. The phenolic cage reduces friction, making it suitable for high-speed operations.

Where Is 7208 CDGA/P4A Bearing Used?
You’ll often find 7208 CDGA/P4A Bearing in automotive transmissions, where its 15° contact angle handles combined radial and axial loads effectively. Its P4A tolerance class guarantees consistent performance in demanding conditions.

Perfect Fit for Automation: 7208 CDGA/P4A Bearing
7208 CDGA/P4A Bearing works well in robotic arms, offering reliable movement with minimal vibration. The chrome steel construction ensures durability even in continuous operation.

Medical vs Industrial: Where 7208 CDGA/P4A Bearing Excels
In medical imaging devices, 7208 CDGA/P4A Bearing provides quiet and precise motion. Industrial pumps benefit from its ability to handle high speeds and moderate loads.

How Does 7208 CDGA/P4A Bearing Support High-Speed Operations?
With a max speed of 41,000 rpm, 7208 CDGA/P4A Bearing is ideal for CNC machinery. The extra light preload ensures minimal heat generation during prolonged use.

Q&A

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