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Super Precision Angular Contact Ball Bearings 71934 CD/P4A

Super Precision Angular Contact Ball Bearings 71934 CD/P4A

The 71934 CD/P4A is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 29925 lbf and operates smoothly at speeds up to 8500 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is ideal for precision machinery like CNC spindles or high-performance motors, where accuracy and reliability are crucial. It works well in temperatures from -30°C to 110°C.

Weighing 2.85kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71934 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 29925 lbf
  • Static Radial Load 37350 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 8500 rpm
  • Weight 2.85 kg
  • Price（$） 2815.56
Super Precision Angular Contact Ball Bearings 71934 CD/P4A dimension drawing
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Features

Performance Features of 71934 CD/P4A Bearing

71934 CD/P4A Bearing is crafted for precision with a 15° contact angle, ideal for angular contact loads.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads.

The phenolic cage ensures smooth operation, reducing friction and wear during high-speed applications.
With a maximum speed of 8,500 rpm, it maintains reliability in demanding conditions.

71934 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees high precision, suitable for critical applications.

Application

Common Applications of 71934 CD/P4A Bearing
71934 CD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71934 CD/P4A Bearing provides smooth motion control for articulated arms, thanks to its 15° contact angle. Its chrome steel construction offers durability in repetitive movements.

For medical imaging devices, 71934 CD/P4A Bearing’s P4 tolerance class guarantees minimal vibration during scans. The open seal design allows for easy lubrication, extending service life in critical applications.

Automotive testing equipment benefits from 71934 CD/P4A Bearing’s ability to handle both radial and axial loads. Its metric sizing ensures compatibility with European-engineered systems.

In industrial pumps, 71934 CD/P4A Bearing’s dynamic load capacity ensures reliable performance under continuous operation. The lubricated design further enhances its efficiency in demanding environments.

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