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Super Precision Angular Contact Ball Bearings 71907 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71907 CDGA/HCP4A

The 71907 CDGA/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 2194 lbf and spins at speeds up to 56,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction.

Designed for extra light preload, it offers precise movement with minimal resistance. The open seal allows easy lubrication and maintenance.

Ideal for precision machinery like spindles or CNC equipment, it works in temperatures from -30°C to 110°C. Weighing just 0.068kg, it’s lightweight yet robust for its size. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71907 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 2194 lbf
  • Static Radial Load 1474 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.068 kg
Super Precision Angular Contact Ball Bearings 71907 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71907 CDGA/HCP4A Bearing

71907 CDGA/HCP4A Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and ceramic balls ensure smooth operation, even at high speeds up to 56,000 rpm.

The phenolic cage provides stability, reducing friction and wear during prolonged use.

With a P4A tolerance class, it offers precision performance for demanding applications.

Application

Common Applications of 71907 CDGA/HCP4A Bearing
71907 CDGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

Industrial Uses of 71907 CDGA/HCP4A Bearing
In automation systems, 71907 CDGA/HCP4A Bearing supports robotic arms, providing stability during repetitive movements. Its phenolic cage offers durability in environments with moderate loads and high speeds.

Where Is 71907 CDGA/HCP4A Bearing Used?
You’ll often find 71907 CDGA/HCP4A Bearing in dental drills, where its extra-light preload ensures quiet and precise performance. The P4A tolerance class guarantees consistent accuracy in medical settings.

Built for Heavy-Duty Use: 71907 CDGA/HCP4A Bearing
71907 CDGA/HCP4A Bearing handles radial and axial loads in conveyor systems, thanks to its chrome steel rings. The open design allows for easy lubrication, extending its service life in industrial applications.

Automotive vs Aerospace: Applications of 71907 CDGA/HCP4A Bearing
In automotive gearboxes, 71907 CDGA/HCP4A Bearing provides reliable angular contact support. For aerospace, its lightweight ceramic balls and high-speed capability make it suitable for precision instruments.

Q&A

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