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Super Precision Angular Contact Ball Bearings S71904 CE/HCP4A
Super Precision Angular Contact Ball Bearings S71904 CE/HCP4A

Super Precision Angular Contact Ball Bearings S71904 CE/HCP4A

The S71904 CE/HCP4A is a super precision angular contact bearing, measuring 20mm by 37mm by 9mm, with a 15° contact angle. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 1112 lbf and spins at speeds up to 68,000 RPM, making it suitable for high-performance applications. The sealed design keeps lubrication in and contaminants out.

With a phenolic cage and P4 tolerance class, it ensures precise and reliable performance. The bearing is preloaded and available in matched sets for added stability.

Ideal for precision machinery like spindles or CNC tools, it operates in temperatures from -30°C to 110°C. Weighing just 0.031kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71904 CE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1112 lbf
  • Static Radial Load 531 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 68000 rpm
  • Weight 0.031 kg
  • Price($) 173.367

Features

Performance Features of S71904 CE/HCP4A Bearing

S71904 CE/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 68,000 rpm, it is suited for precision tasks requiring rapid rotation.

S71904 CE/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and preload availability contribute to consistent performance in various conditions.

The bearing’s dynamic radial load capacity of 1112 lbf ensures reliability under stress.
Its P4 tolerance class guarantees high precision for demanding applications.

Application

Ideal for Precision: S71904 CE/HCP4A Bearing
S71904 CE/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 15° contact angle helps manage combined loads effectively.

In robotics, S71904 CE/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its P4 tolerance class. Its sealed design keeps contaminants out, extending service life in demanding environments.

For medical imaging devices, S71904 CE/HCP4A Bearing’s precision and low heat generation are key advantages. The chrome steel rings provide durability, while the ceramic balls minimise vibration during sensitive procedures.

Automotive applications like electric motor shafts benefit from S71904 CE/HCP4A Bearing’s high-speed capability. Its matched arrangement option allows for customised preload settings to suit specific performance needs.

In 3D printers, S71904 CE/HCP4A Bearing contributes to precise linear motion control. The lubricated design ensures quiet operation, making it suitable for both industrial and consumer-grade equipment.

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