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Super Precision Angular Contact Ball Bearings S71920 CD/P4ATGC

Super Precision Angular Contact Ball Bearings S71920 CD/P4ATGC

The S71920 CD/P4ATGC is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes sealed for protection, with a moderate preload for balanced performance.

This bearing handles dynamic radial loads up to 29,250 lbf and spins smoothly at speeds up to 16,250 RPM. Its phenolic cage ensures durability, while the grease lubrication keeps maintenance simple.

Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindles where accuracy is key.

Weighing 2.44kg, it’s robust yet manageable. Compliant with P4A tolerance standards, it’s a reliable choice for demanding environments. The set includes three matched bearings for versatile use.

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Product Parameters

  • Part Number S71920 CD/P4ATGC
  • 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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 29250 lbf
  • Static Radial Load 45000 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 CD/P4ATGC dimension drawing
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Features

Performance Features of S71920 CD/P4ATGC Bearing

S71920 CD/P4ATGC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 29,250 lbf, it handles demanding conditions reliably.
Its sealed design and grease lubrication reduce maintenance needs, extending service life.

The bearing operates efficiently within a temperature range of -30°C to 110°C.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The P4A tolerance class ensures high precision, making it suitable for critical applications.
With a maximum speed of 16,250 rpm, it balances performance and longevity.

Application

Common Applications of S71920 CD/P4ATGC Bearing
S71920 CD/P4ATGC Bearing is widely 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 CD/P4ATGC Bearing supports articulated arms, providing smooth movement and reliable load handling. Its universal matching feature allows for flexible installation in various configurations.

For aerospace applications, S71920 CD/P4ATGC Bearing’s phenolic cage and chrome steel components offer durability under high-speed conditions. The moderate preload ensures consistent performance in critical systems.

Automotive testing equipment benefits from S71920 CD/P4ATGC Bearing’s precision and grease lubrication. The P4A tolerance class makes it suitable for demanding measurement tasks.

In medical imaging devices, S71920 CD/P4ATGC Bearing’s low friction and high-speed capability contribute to quiet and efficient operation. The temperature range ensures reliability in various clinical environments.

Q&A

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