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Super Precision Angular Contact Ball Bearings S71918 CEGA/HCP4A
Super Precision Angular Contact Ball Bearings S71918 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71918 CEGA/HCP4A

The S71918 CEGA/HCP4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 6908 lbf and operates smoothly at speeds up to 15,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The bearing works reliably in temperatures from -30°C to 110°C, making it suitable for demanding environments.

With a 15° contact angle and extra-light preload, it offers excellent precision for high-speed applications. Ideal for machine tools, spindles, or other equipment requiring tight tolerances and low friction.

Weighing 0.46kg, it’s designed for easy handling and installation. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number S71918 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 6908 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.46 kg

Features

Performance Features of S71918 CEGA/HCP4A Bearing

S71918 CEGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 15,000 rpm.

With chrome steel rings and a phenolic cage, S71918 CEGA/HCP4A Bearing offers durability and stability.
Its extra light preload (Class A) ensures smooth operation in high-precision tasks.

S71918 CEGA/HCP4A Bearing handles dynamic radial loads up to 6908 lbf, suitable for demanding conditions.
The sealed design and grease lubrication minimise maintenance while extending service life.

Operating between -30°C to 110°C, S71918 CEGA/HCP4A Bearing performs reliably in varied environments.
Its P4A tolerance class guarantees consistent accuracy for critical applications.

Application

Key Fields for S71918 CEGA/HCP4A Bearing
S71918 CEGA/HCP4A Bearing is commonly 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 conditions.

In automotive applications, S71918 CEGA/HCP4A Bearing supports precision components like turbochargers and electric motor shafts. Its extra-light preload and P4A tolerance class make it ideal for smooth, vibration-free operation.

For medical imaging devices, S71918 CEGA/HCP4A Bearing’s chrome steel rings and ceramic balls provide reliable, low-noise rotation. The grease lubrication ensures consistent performance in sensitive environments where cleanliness is key.

Automation systems benefit from S71918 CEGA/HCP4A Bearing’s ability to handle angular contact loads in robotic arms and CNC machines. Its universal matching option allows for flexible configurations in complex setups.

In consumer electronics, S71918 CEGA/HCP4A Bearing is found in high-end printers and scanners, where its precision and durability enhance device longevity. The compact size fits well in space-constrained designs.

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