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Super Precision Angular Contact Ball Bearings S71920 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S71920 ACDGA/P4A

The S71920 ACDGA/P4A 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 12870 lbf and spins smoothly at speeds up to 16250 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet operation. The bearing works well in temperatures from -30°C to 110°C, making it suitable for demanding environments.

With a 25° contact angle, it efficiently manages angular loads. Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and reliability are key.

Weighing 0.81kg, it’s robust yet manageable. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71920 ACDGA/P4A
  • 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 20 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 No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12870 lbf
  • Static Radial Load 14175 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 0.81 kg
  • Price（$） 359.613
Super Precision Angular Contact Ball Bearings S71920 ACDGA/P4A dimension drawing
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Features

Performance Features of S71920 ACDGA/P4A Bearing

S71920 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotation.
With a maximum speed of 16,250 rpm, it delivers reliable performance in precision tasks.

S71920 ACDGA/P4A Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for various environments.
Its sealed design and grease lubrication minimise maintenance needs while ensuring consistent performance.

The P4A tolerance class guarantees high precision, making it ideal for demanding applications.
Its dynamic radial load capacity of 12,870 lbf ensures stability under heavy loads.

Application

Industrial Uses of S71920 ACDGA/P4A Bearing
S71920 ACDGA/P4A 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.

Where Is S71920 ACDGA/P4A Bearing Used?
In robotics, S71920 ACDGA/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage reduces vibration, making it ideal for repetitive tasks.

Built for Heavy-Duty Use: S71920 ACDGA/P4A Bearing
S71920 ACDGA/P4A Bearing handles dynamic radial loads in industrial pumps, ensuring reliable operation under continuous stress. The grease lubrication extends service life even in high-speed applications.

Automotive vs Aerospace: Applications of S71920 ACDGA/P4A Bearing
In automotive systems, S71920 ACDGA/P4A Bearing is found in high-performance transmissions, while aerospace applications benefit from its precision in flight control mechanisms. The P4A tolerance class ensures consistent performance in both fields.

Perfect Fit for Automation: S71920 ACDGA/P4A Bearing
S71920 ACDGA/P4A Bearing is a go-to choice for automated production lines, where its extra-light preload reduces energy consumption. The chrome steel construction offers durability in high-cycle operations.

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