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Super Precision Angular Contact Ball Bearings S71920 CE/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71920 CE/HCP4ADGA

The S71920 CE/HCP4ADGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 14332 lbf.

The sealed design keeps grease in and contaminants out, while the phenolic cage offers durability. With a maximum speed of 16250 RPM, it performs reliably in temperatures from -30°C to 110°C.

This bearing comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face mounting. Ideal for machine tools or spindles where precision and speed are crucial.

Weighing 1.32kg, it meets P4A tolerance standards for exceptional accuracy. Its universal matching feature makes it interchangeable with SKF bearings.

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Product Parameters

  • Part Number S71920 CE/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 24
  • 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 14332 lbf
  • Static Radial Load 14175 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.32 kg
Super Precision Angular Contact Ball Bearings S71920 CE/HCP4ADGA dimension drawing
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Features

Performance Features of S71920 CE/HCP4ADGA Bearing

S71920 CE/HCP4ADGA Bearing is designed with a 15° contact angle, optimised for angular contact loads.

Its chrome steel rings and ceramic balls provide a balance of strength and smooth operation.

The phenolic cage ensures stability, even at high speeds up to 16,250 rpm.

With universal matching, it supports various arrangements like back-to-back or face-to-face configurations.

How Does S71920 CE/HCP4ADGA Bearing Reduce Friction?

S71920 CE/HCP4ADGA Bearing uses ceramic balls to minimise friction, enhancing efficiency.

The sealed design keeps lubrication in place, reducing wear over time.

Its extra light preload ensures smooth rotation, ideal for precision applications.

The P4A tolerance class guarantees consistent performance under demanding conditions.

Engineered for Precision: S71920 CE/HCP4ADGA Bearing

S71920 CE/HCP4ADGA Bearing’s high-precision design meets P4A tolerance standards.

Its dynamic radial load capacity of 14,332 lbf ensures reliability in heavy-duty use.

The grease lubrication system maintains performance within a -30°C to 110°C range.

With 24 ceramic balls, it delivers smooth operation and extended service life.

Steel vs Ceramic Bearings: Strengths of S71920 CE/HCP4ADGA Bearing

S71920 CE/HCP4ADGA Bearing combines chrome steel rings with ceramic balls for durability.

This hybrid design reduces weight while maintaining high load capacity.

The ceramic balls resist wear better than standard steel, ideal for high-speed applications.

Its phenolic cage further enhances performance by reducing vibration and noise.

Application

Essential Roles of S71920 CE/HCP4ADGA Bearing
S71920 CE/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In aerospace applications, S71920 CE/HCP4ADGA Bearing handles precise angular loads in components like turbine shafts. Its universal matching capability allows for flexible configurations, making it a versatile choice for complex assemblies.

For robotics, S71920 CE/HCP4ADGA Bearing provides smooth motion in articulated arms, thanks to its extra-light preload and P4A tolerance class. The grease lubrication ensures quiet operation, ideal for sensitive automated systems.

Medical imaging devices benefit from S71920 CE/HCP4ADGA Bearing’s consistent accuracy and low vibration. The chrome steel rings and ceramic balls offer reliable performance in critical diagnostic equipment.

Q&A

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