+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71920 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71920 CD/P4ADGB

The 71920 CD/P4ADGB is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 16000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face mounting. The phenolic cage ensures quiet operation and durability under light preload conditions.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or aerospace components where accuracy is key.

Weighing 1.6kg, it comes in a matched set of two for balanced performance. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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

Product Parameters

  • Part Number 71920 CD/P4ADGB
  • 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 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21938 lbf
  • Static Radial Load 29700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 1.6 kg
  • Price（$） 656.577
Super Precision Angular Contact Ball Bearings 71920 CD/P4ADGB dimension drawing
Download DWG Download PDF

Features

Performance Features of 71920 CD/P4ADGB Bearing

71920 CD/P4ADGB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching arrangement allows flexible configurations like back-to-back or face-to-face setups.

The chrome steel rings and phenolic cage ensure durability and smooth operation at high speeds.
With a dynamic radial load capacity of 21938 lbf, it performs reliably in demanding applications.

71920 CD/P4ADGB Bearing operates efficiently at speeds up to 16,000 rpm, maintaining precision.
Its P4A tolerance class guarantees high accuracy, making it suitable for precision machinery.

The open design and lubrication compatibility reduce friction, extending service life.
Weighing 1.6 kg, it balances strength and ease of handling in industrial settings.

Application

Key Fields for 71920 CD/P4ADGB Bearing
71920 CD/P4ADGB Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71920 CD/P4ADGB Bearing supports components like turbine shafts, thanks to its light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For automation systems, 71920 CD/P4ADGB Bearing excels in robotic arms and CNC machines, where its P4A tolerance class guarantees consistent operation. The chrome steel construction also ensures long-term durability in continuous use.

Medical imaging devices benefit from 71920 CD/P4ADGB Bearing’s precision and smooth rotation, crucial for accurate diagnostics. Its open design simplifies maintenance, while the lubricated balls minimise wear over time.

In electric vehicle motors, 71920 CD/P4ADGB Bearing handles high speeds and angular loads efficiently. The matched set option provides balanced performance, ideal for tandem or back-to-back configurations.

Q&A

SEND INQUIRY