+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S71920 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings S71920 ACD/P4ATBTB

The S71920 ACD/P4ATBTB is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

With a dynamic radial load capacity of 27900 lbf and speeds up to 16250 RPM, it handles demanding applications effortlessly. The phenolic cage and grease lubrication contribute to its long service life.

This set includes three matched bearings arranged in a TBT configuration, offering stability for high-precision tasks. Ideal for machine tools or spindles where accuracy is crucial.

Weighing 2.44kg, it operates reliably in temperatures from -30°C to 110°C. Its P4A tolerance class ensures consistent performance in precision engineering.

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

Product Parameters

  • Part Number S71920 ACD/P4ATBTB
  • 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 60 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 42750 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 2.44 kg
Super Precision Angular Contact Ball Bearings S71920 ACD/P4ATBTB dimension drawing
Download DWG Download PDF

Features

Performance Features of S71920 ACD/P4ATBTB Bearing

S71920 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The sealed design and grease lubrication reduce maintenance needs while maintaining efficiency.
With a maximum speed of 16,250 rpm, it delivers reliable operation in high-speed environments.

The phenolic cage keeps the balls aligned, minimising friction and extending service life.
Its matched arrangement of three bearings ensures stability and precision in demanding setups.

S71920 ACD/P4ATBTB Bearing operates smoothly within a temperature range of -30°C to 110°C.
This makes it suitable for various industrial applications requiring high precision and reliability.

Application

Industrial Uses of S71920 ACD/P4ATBTB Bearing
S71920 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71920 ACD/P4ATBTB Bearing supports articulated arms, providing smooth movement and long service life. The phenolic cage reduces friction, making it ideal for repetitive motions.

For aerospace applications, S71920 ACD/P4ATBTB Bearing’s light preload and P4A tolerance class meet strict requirements for navigation systems. Its chrome steel rings and balls offer reliable performance under varying temperatures.

What Makes S71920 ACD/P4ATBTB Bearing a Preferred Choice?
S71920 ACD/P4ATBTB Bearing is a go-to for CNC machining centres due to its matched set configuration, which enhances stability. The grease lubrication ensures consistent operation at high speeds.

In medical imaging devices, S71920 ACD/P4ATBTB Bearing’s precision reduces vibration, crucial for clear scans. The sealed design also prevents contamination in sterile environments.

Automotive vs Aerospace: Applications of S71920 ACD/P4ATBTB Bearing
In automotive testing equipment, S71920 ACD/P4ATBTB Bearing handles angular loads with minimal wear. The phenolic cage withstands high RPMs, common in dyno testing.

For satellite components, S71920 ACD/P4ATBTB Bearing’s P4A tolerance ensures precise alignment. Its temperature range suits both ground assembly and space conditions.

Q&A

SEND INQUIRY