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Super Precision Angular Contact Ball Bearings S71912 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71912 CEGA/HCP4A

The S71912 CEGA/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 3668 lbf and spins smoothly at speeds up to 32,500 RPM.

Its sealed design keeps grease in and contaminants out, while the ceramic balls reduce friction for quieter operation. The phenolic cage ensures stability under high-speed conditions.

This bearing is ideal for precision applications like machine tool spindles or high-speed robotics. It works in temperatures from -30°C to 110°C and comes with an extra light preload for fine adjustments.

Weighing just 0.16kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number S71912 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 3668 lbf
  • Static Radial Load 2655 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.16 kg
Super Precision Angular Contact Ball Bearings S71912 CEGA/HCP4A dimension drawing
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Features

Performance Features of S71912 CEGA/HCP4A Bearing

S71912 CEGA/HCP4A Bearing is designed with a 15° contact angle, providing precise angular contact performance.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 32,500 rpm.

The phenolic cage in S71912 CEGA/HCP4A Bearing enhances durability while reducing friction.
This design also helps maintain stability under dynamic radial loads of up to 3668 lbf.

S71912 CEGA/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs, making it a reliable choice.

With a P4A tolerance class, S71912 CEGA/HCP4A Bearing offers high precision for demanding applications.
The lightweight design at 0.16 kg ensures easy handling without compromising performance.

Application

Super Precision Angular Contact Ball Bearings S71912 CEGA/HCP4A excels in high-speed machine tool spindles, where its ceramic balls reduce friction and heat buildup. The P4A tolerance ensures consistent accuracy for precision machining operations.

In robotics, S71912 CEGA/HCP4A provides smooth angular contact support for articulated arms, thanks to its extra light preload. The phenolic cage offers quiet operation, ideal for sensitive automated environments.

For aerospace applications, S71912 CEGA/HCP4A handles radial and axial loads in avionics systems with reliability. Its sealed design protects against contaminants while maintaining grease lubrication over extended periods.

Medical imaging devices benefit from S71912 CEGA/HCP4A’s stable performance under tight tolerance requirements. The chrome steel rings and ceramic balls ensure minimal vibration during delicate scanning procedures.

In electric vehicle motors, S71912 CEGA/HCP4A supports high RPM operation with minimal energy loss. The metric sizing allows easy integration into compact motor designs common in European and Asian models.

Q&A

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