+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71909 CB/P4A

Super Precision Angular Contact Ball Bearings 71909 CB/P4A

The 71909 CB/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular load applications, handling radial loads up to 1667 lbf.

With a phenolic cage and open design, it ensures smooth operation at speeds up to 43,000 RPM. The bearing is preload-ready and can be matched for paired arrangements, offering flexibility in installation.

Its compact 12mm width and lightweight 0.13kg design make it suitable for high-speed machinery like spindles or precision tools. The P4 tolerance class ensures exceptional accuracy for demanding applications.

Operating in temperatures from -30°C to 110°C, this bearing is interchangeable with SKF models, providing a reliable alternative. Ideal for CNC machines or aerospace components where precision is key.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71909 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1667 lbf
  • Static Radial Load 1316 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.13 kg
  • Price（$） 324.81
Super Precision Angular Contact Ball Bearings 71909 CB/P4A dimension drawing
Download DWG Download PDF

Features

Why Choose 71909 CB/P4A Bearing for Precision Tasks?

71909 CB/P4A Bearing features a 15° contact angle, optimising load distribution for high-precision applications.
Its chrome steel construction ensures durability while maintaining smooth operation under dynamic radial loads up to 1667 lbf.

The phenolic cage minimises friction, allowing speeds up to 43,000 rpm without compromising performance.
With a P4 tolerance class, it delivers consistent accuracy in demanding environments.

71909 CB/P4A Bearing operates efficiently within a -30° to 110°C range, suitable for various industrial conditions.
Its open design simplifies lubrication, ensuring long-term reliability with minimal maintenance.

Application

Common Applications of 71909 CB/P4A Bearing
71909 CB/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage helps reduce friction, making it suitable for continuous operation.

In robotics, 71909 CB/P4A Bearing provides smooth movement for articulated arms, thanks to its 15° contact angle and matched arrangement options. The open seal design allows for easy lubrication, extending service life.

For medical imaging devices, 71909 CB/P4A Bearing’s P4 tolerance class delivers the quiet performance needed in sensitive environments. Its chrome steel construction also resists wear in repetitive motion applications.

Automotive enthusiasts appreciate 71909 CB/P4A Bearing in performance gearboxes, where its high-speed capability handles rapid shifts. The metric sizing ensures compatibility with European and Asian transmission systems.

In 3D printers, 71909 CB/P4A Bearing’s low friction and precision alignment contribute to consistent print quality. The lightweight design minimises energy consumption during prolonged use.

Q&A

SEND INQUIRY