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Super Precision Angular Contact Ball Bearings S71920 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71920 CD/HCP4ADGA

The S71920 CD/HCP4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 16250 RPM.

Its sealed design and phenolic cage ensure low friction and long service life, even in demanding conditions. The bearing comes preloaded for extra light performance, ideal for high-precision applications.

This model is universally matched, allowing flexible arrangements like back-to-back or face-to-face setups. Perfect for machine tools or high-speed spindles where accuracy and reliability are key.

Weighing 1.36kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a top choice for engineers needing precision and durability.

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Product Parameters

  • Part Number S71920 CD/HCP4ADGA
  • 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 Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 21938 lbf
  • Static Radial Load 29700 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.36 kg
Super Precision Angular Contact Ball Bearings S71920 CD/HCP4ADGA dimension drawing
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Features

Why Choose S71920 CD/HCP4ADGA Bearing for Precision Tasks?

S71920 CD/HCP4ADGA Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation and reduced friction.

With a dynamic radial load capacity of 21938 lbf, it handles demanding tasks effortlessly.
Its phenolic cage maintains ball alignment, enhancing durability and performance.

The sealed design and grease lubrication minimise maintenance needs.
Operating at speeds up to 16,250 rpm, it balances precision and efficiency.

Universal matching allows flexible arrangement options like back-to-back or face-to-face.
Its P4A tolerance class guarantees exceptional accuracy for critical applications.

Application

Industrial Uses of S71920 CD/HCP4ADGA Bearing
S71920 CD/HCP4ADGA Bearing is commonly used in high-precision machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The sealed design helps keep contaminants out, extending service life in demanding environments.

Where Is S71920 CD/HCP4ADGA Bearing Used?
In robotics, S71920 CD/HCP4ADGA Bearing provides reliable angular contact support for articulated arms, ensuring precise movement. Its universal matching feature allows flexible arrangement in tight spaces.

Built for Heavy-Duty Use: S71920 CD/HCP4ADGA Bearing
S71920 CD/HCP4ADGA Bearing handles heavy radial loads in industrial gearboxes, thanks to its chrome steel rings and extra-light preload. The grease lubrication ensures consistent performance even at high speeds.

Automotive vs Aerospace: Applications of S71920 CD/HCP4ADGA Bearing
In automotive systems, S71920 CD/HCP4ADGA Bearing supports high-speed spindles, while aerospace applications benefit from its temperature stability. The P4A tolerance class guarantees precision in both fields.

Perfect Fit for Automation: S71920 CD/HCP4ADGA Bearing
S71920 CD/HCP4ADGA Bearing is ideal for CNC machinery, where its tandem arrangement options accommodate complex load requirements. The 15° contact angle optimises performance under combined loads.

Q&A

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