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Super Precision Angular Contact Ball Bearings 708 CD/HCP4ADBA
Super Precision Angular Contact Ball Bearings 708 CD/HCP4ADBA

Super Precision Angular Contact Ball Bearings 708 CD/HCP4ADBA

The 708 CD/HCP4ADBA is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and is designed for angular loads, handling up to 1186 lbf dynamically.

With ceramic balls and a phenolic cage, it spins smoothly at speeds up to 110,000 RPM. The open design allows easy lubrication, while the extra light preload ensures minimal friction.

This matched set of two bearings is ideal for high-precision applications like machine tool spindles or dental equipment. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.022kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 708 CD/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 9
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1186 lbf
  • Static Radial Load 619 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 110000 rpm
  • Weight 0.022 kg

Features

How Does 708 CD/HCP4ADBA Bearing Reduce Friction?

708 CD/HCP4ADBA Bearing features ceramic balls and a phenolic cage, significantly reducing friction during operation.
Its precision-engineered design ensures smooth performance even at high speeds up to 110,000 rpm.
The 15° contact angle optimises load distribution, enhancing efficiency and longevity.
With chrome steel rings, it maintains durability while minimising energy loss.

Why Choose 708 CD/HCP4ADBA Bearing for Precision Tasks?

708 CD/HCP4ADBA Bearing is designed for super precision applications, meeting P4A tolerance standards.
The matched arrangement of two bearings ensures consistent performance in angular contact scenarios.
Its extra light preload reduces vibration, making it ideal for high-precision machinery.
Ceramic balls and phenolic cage contribute to its low-friction, high-speed capabilities.

Engineered for Precision: 708 CD/HCP4ADBA Bearing

708 CD/HCP4ADBA Bearing combines chrome steel rings with ceramic balls for exceptional accuracy.
The phenolic cage maintains ball alignment, ensuring reliable operation under dynamic radial loads.
With a temperature range of -30°C to 110°C, it performs well in varied conditions.
Its compact size (8 mm×22 mm×14 mm) makes it suitable for space-constrained applications.

Steel vs Ceramic Bearings: Strengths of 708 CD/HCP4ADBA Bearing

708 CD/HCP4ADBA Bearing uses ceramic balls for reduced friction and higher speed capabilities compared to traditional steel bearings.
The chrome steel rings provide strength, while the phenolic cage ensures quiet operation.
Its design balances the benefits of both materials for optimal performance.
With a dynamic radial load capacity of 1186 lbf, it handles demanding tasks efficiently.

Application

Key Fields for 708 CD/HCP4ADBA Bearing
In machine tools, 708 CD/HCP4ADBA Bearing is a go-to for spindle units, where its 15° contact angle ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed operations.

Where Is 708 CD/HCP4ADBA Bearing Used?
You’ll often spot 708 CD/HCP4ADBA Bearing in robotics, particularly in articulated arms that require smooth, accurate movement. Its phenolic cage adds durability while keeping weight low for better efficiency.

Built for Heavy-Duty Use: 708 CD/HCP4ADBA Bearing
In automotive applications like electric motor shafts, 708 CD/HCP4ADBA Bearing handles both thrust and radial loads with ease. The P4A tolerance class means it’s consistently reliable under demanding conditions.

Medical vs Industrial: Where 708 CD/HCP4ADBA Bearing Excels
For medical imaging devices, 708 CD/HCP4ADBA Bearing’s low-noise performance is a standout. In industrial settings, its extra-light preload ensures minimal vibration in precision equipment.

Q&A

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