+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71920 ACE/P4AQBCA

Super Precision Angular Contact Ball Bearings 71920 ACE/P4AQBCA

The 71920 ACE/P4AQBCA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 16000 RPM.

With a 25° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.

This bearing comes in a matched set of four, ideal for high-precision machinery like spindles or CNC equipment. Its P4A tolerance class guarantees exceptional accuracy and smooth rotation.

Weighing 3.08kg, it’s a robust choice for industrial settings where precision and durability are key. Interchangeable with SKF bearings, it’s a practical option for replacements or upgrades.

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

Product Parameters

  • Part Number 71920 ACE/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 80 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21938 lbf
  • Static Radial Load 27000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 3.08 kg
Super Precision Angular Contact Ball Bearings 71920 ACE/P4AQBCA dimension drawing
Download DWG Download PDF

Features

Engineered for Precision: 71920 ACE/P4AQBCA Bearing

71920 ACE/P4AQBCA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 21938 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing speed capabilities up to 16,000 rpm.
With a matched arrangement of four bearings, it offers consistent performance in demanding setups.

71920 ACE/P4AQBCA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload (Class A) ensures smooth operation while minimising wear over time.

Application

Common Applications of 71920 ACE/P4AQBCA Bearing
71920 ACE/P4AQBCA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched set of four bearings provides stability in demanding applications like CNC spindles.

In aerospace components, 71920 ACE/P4AQBCA Bearing’s phenolic cage and chrome steel construction offer reliable performance under high-speed conditions. Its extra-light preload makes it suitable for sensitive instrumentation requiring minimal friction.

For robotics, 71920 ACE/P4AQBCA Bearing supports articulated arms with smooth motion and low vibration. The P4A tolerance class ensures consistent precision in automated assembly lines.

Medical imaging systems benefit from 71920 ACE/P4AQBCA Bearing’s quiet operation and durability. The lubricated design reduces maintenance needs in critical diagnostic equipment.

In electric vehicle motors, 71920 ACE/P4AQBCA Bearing handles angular loads efficiently. Its metric sizing and compatibility with SKF models make it a versatile choice for automotive engineers.

Q&A

SEND INQUIRY