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Super Precision Angular Contact Ball Bearings S71920 ACD/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71920 ACD/HCP4ADGA

The S71920 ACD/HCP4ADGA 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 25° contact angle and ceramic balls for smooth operation.

This sealed bearing handles radial loads up to 20768 lbf and spins efficiently at speeds up to 10000 RPM. Its phenolic cage and grease lubrication ensure durability and low maintenance.

The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting. Ideal for high-precision applications such as machine tool spindles or medical equipment.

Weighing 1.36kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S71920 ACD/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 25°
  • 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 20768 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.36 kg
Super Precision Angular Contact Ball Bearings S71920 ACD/HCP4ADGA dimension drawing
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Features

Performance Features of S71920 ACD/HCP4ADGA Bearing

S71920 ACD/HCP4ADGA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 20,768 lbf, it handles demanding tasks effortlessly.
The phenolic cage maintains ball alignment, enhancing durability and performance.

S71920 ACD/HCP4ADGA Bearing operates efficiently at speeds up to 10,000 rpm.
Its sealed design and grease lubrication reduce maintenance needs, making it reliable for long-term use.

The universal matching capability allows flexible arrangement options.
This ensures compatibility with various configurations, including back-to-back and face-to-face setups.

Application

Industrial Uses of S71920 ACD/HCP4ADGA Bearing
S71920 ACD/HCP4ADGA Bearing is commonly used in high-precision machine tools, where its ceramic balls and phenolic cage ensure smooth operation under heavy radial loads. The sealed design helps maintain lubrication in demanding industrial environments.

What Makes S71920 ACD/HCP4ADGA Bearing a Preferred Choice?
In robotics and automation, S71920 ACD/HCP4ADGA Bearing excels due to its universal matching capability, allowing flexible arrangements like back-to-back or face-to-face. Its extra-light preload ensures minimal friction for precise movements.

Perfect Fit for Automation: S71920 ACD/HCP4ADGA Bearing
S71920 ACD/HCP4ADGA Bearing is ideal for CNC spindles, where its P4A tolerance class guarantees accuracy. The grease lubrication and temperature range make it reliable for continuous operation in varied conditions.

Medical vs Industrial: Where S71920 ACD/HCP4ADGA Bearing Excels
In medical imaging devices, S71920 ACD/HCP4ADGA Bearing’s ceramic balls reduce electrical interference, while its chrome steel rings provide durability. Industrial applications benefit from its high-speed performance and matched set flexibility.

How Does S71920 ACD/HCP4ADGA Bearing Support High-Speed Operations?
S71920 ACD/HCP4ADGA Bearing handles speeds up to 10,000 rpm in applications like dental drills or small turbines. The phenolic cage and ceramic balls reduce heat buildup, ensuring consistent performance.

Q&A

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