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Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADBG3

Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADBG3

The 71908 ACE/HCP4ADBG3 is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 3398 lbf and spins smoothly at speeds up to 41,000 RPM, thanks to its ceramic balls and phenolic cage. Its open design allows for easy lubrication and maintenance.

Preloaded for precision, it’s ideal for high-speed applications like machine tool spindles or robotics. The bearing operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.18kg, it’s lightweight yet robust, meeting P4A tolerance standards for accuracy. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71908 ACE/HCP4ADBG3
  • 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 19
  • Contact Angle 25°
  • 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 Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3398 lbf
  • Static Radial Load 2565 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings 71908 ACE/HCP4ADBG3 dimension drawing
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Features

Why Choose 71908 ACE/HCP4ADBG3 Bearing for Precision Tasks?

71908 ACE/HCP4ADBG3 Bearing features a 25° contact angle, ideal for high-precision angular contact applications.

The ceramic balls and chrome steel rings ensure smooth operation and reduced friction, even at high speeds.

With a dynamic radial load capacity of 3398 lbf, it handles demanding tasks with reliability.

Its matched arrangement of two bearings provides stability, making it suitable for precision machinery.

Application

Industrial Uses of 71908 ACE/HCP4ADBG3 Bearing
71908 ACE/HCP4ADBG3 Bearing is commonly used in high-speed machine spindles, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In robotics, 71908 ACE/HCP4ADBG3 Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its matched arrangement simplifies installation, saving time during assembly.

For aerospace components, 71908 ACE/HCP4ADBG3 Bearing’s phenolic cage offers lightweight durability, crucial for reducing overall system weight. The P4A tolerance class guarantees consistent performance in critical flight systems.

Where Is 71908 ACE/HCP4ADBG3 Bearing Used?
You’ll find 71908 ACE/HCP4ADBG3 Bearing in precision grinding machines, where its 25° contact angle enhances load distribution. The open seal design allows for easy lubrication, extending service life.

In electric motors, 71908 ACE/HCP4ADBG3 Bearing handles high rotational speeds up to 41,000 rpm without compromising reliability. The chrome steel rings ensure long-term wear resistance in demanding environments.

Built for Heavy-Duty Use: 71908 ACE/HCP4ADBG3 Bearing
71908 ACE/HCP4ADBG3 Bearing excels in industrial pumps, where its preload capability minimizes vibration. The ceramic balls also resist corrosion, making it suitable for harsh fluid handling.

For CNC lathes, 71908 ACE/HCP4ADBG3 Bearing’s matched set configuration ensures consistent alignment during high-precision cutting. Its temperature range of -30°C to 110°C accommodates varied operating conditions.

Automotive vs Aerospace: Applications of 71908 ACE/HCP4ADBG3 Bearing
In automotive transmissions, 71908 ACE/HCP4ADBG3 Bearing supports gear shafts with its high dynamic load capacity. The metric sizing ensures compatibility with European and Asian vehicle designs.

For aerospace actuators, 71908 ACE/HCP4ADBG3 Bearing’s lightweight construction and precision tolerance meet stringent aviation standards. The phenolic cage reduces heat buildup during prolonged use.

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