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Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADGA

The 71908 CD/HCP4ADGA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under angular loads.

With a dynamic radial load capacity of 4478 lbf, it spins efficiently at speeds up to 41,000 RPM. The phenolic cage and open design allow for easy lubrication and maintenance.

This bearing comes in a matched set of two, suitable for universal arrangements like back-to-back or face-to-face mounting. Ideal for high-precision applications such as machine tools or spindle drives.

Weighing just 0.2kg, it offers a lightweight yet robust solution. Compliant with P4A tolerance standards, it performs reliably in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71908 CD/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 71908 CD/HCP4ADGA dimension drawing
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Features

Performance Features of 71908 CD/HCP4ADGA Bearing

71908 CD/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 15° contact angle provides excellent angular contact performance for various load directions.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities.
With a maximum speed of 41,000 rpm, it excels in high-speed applications.

71908 CD/HCP4ADGA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching design allows flexible arrangement options for different operational needs.

The extra light preload ensures smooth operation while maintaining precision.
Dynamic radial load capacity of 4478 lbf makes it reliable for demanding tasks.

Application

Precision Applications of 71908 CD/HCP4ADGA Bearing
71908 CD/HCP4ADGA Bearing is commonly used in high-speed machine spindles, where its 15° contact angle ensures smooth rotation and minimal friction. The ceramic balls and phenolic cage make it suitable for demanding environments.

In robotics, 71908 CD/HCP4ADGA Bearing provides reliable performance in articulated arms, thanks to its universal matching design. The extra light preload helps maintain precision during repetitive movements.

For aerospace components, 71908 CD/HCP4ADGA Bearing handles radial and axial loads efficiently, making it ideal for navigation systems. Its P4A tolerance class ensures consistent accuracy under varying conditions.

Medical imaging devices benefit from 71908 CD/HCP4ADGA Bearing’s low heat generation and high-speed capabilities. The chrome steel rings and ceramic balls offer durability in sterile environments.

In automotive transmissions, 71908 CD/HCP4ADGA Bearing supports gear shifts with minimal vibration. The lubricated design extends service life even under continuous use.

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