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

Super Precision Angular Contact Ball Bearings S71904 CEGB/HCP4A

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

With a 15° contact angle, it handles both radial and thrust loads efficiently. Its sealed design keeps grease in and contaminants out, making it low-maintenance.

The phenolic cage ensures quiet performance, even at high speeds up to 75,000 RPM. It’s available in matched sets of four for balanced load distribution.

Ideal for precision applications like machine tool spindles or high-speed robotics. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number S71904 CEGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 75000 rpm
  • Weight 0.031 kg

Features

How Does S71904 CEGB/HCP4A Bearing Achieve High-Speed Performance?

S71904 CEGB/HCP4A Bearing features ceramic balls, reducing friction and enabling smooth operation at speeds up to 75,000 rpm.
The phenolic cage ensures stability and reduces weight, contributing to its high-speed capabilities.

With a 15° contact angle, S71904 CEGB/HCP4A Bearing handles both radial and axial loads efficiently.
Its P4A tolerance class guarantees precision, making it ideal for demanding applications.

The sealed design protects against contaminants, ensuring long-lasting performance.
S71904 CEGB/HCP4A Bearing is also available in matched sets for enhanced load distribution.

Application

How Does S71904 CEGB/HCP4A Bearing Improve Performance?
S71904 CEGB/HCP4A Bearing excels in high-speed applications like CNC spindles, where its ceramic balls reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-term reliability in demanding environments.

In robotics, S71904 CEGB/HCP4A Bearing provides precise motion control for articulated arms, thanks to its P4A tolerance class. The phenolic cage offers quiet operation, ideal for sensitive automation tasks.

For medical imaging devices, S71904 CEGB/HCP4A Bearing’s angular contact design handles both radial and axial loads smoothly. Its grease lubrication ensures consistent performance in temperature-controlled settings.

Automotive vs Aerospace: Applications of S71904 CEGB/HCP4A Bearing
In automotive systems, S71904 CEGB/HCP4A Bearing supports electric motor shafts, where its light preload enhances efficiency. The matched arrangement option simplifies installation in compact spaces.

Aerospace applications benefit from S71904 CEGB/HCP4A Bearing’s high-speed capability and ceramic balls, which reduce weight without sacrificing precision. Its temperature range suits both cockpit instruments and engine-adjacent components.

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