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Super Precision Angular Contact Ball Bearings 71910 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71910 CDGA/P4A

The 71910 CDGA/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 3038 lbf dynamically.

With a maximum speed of 46,000 RPM, it spins smoothly and is preloaded for extra light performance. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision applications like machine tools or spindle drives. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing just 0.13kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it offers reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71910 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 2340 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
  • Price（$） 12.492
Super Precision Angular Contact Ball Bearings 71910 CDGA/P4A dimension drawing
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Features

How Is 71910 CDGA/P4A Bearing Engineered for Reliability?

71910 CDGA/P4A Bearing features a 15° contact angle, optimised for angular contact loads and precision performance.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 3038 lbf, it handles demanding applications with ease.
The extra light preload (Class A) enhances accuracy, making it suitable for high-speed tasks.

71910 CDGA/P4A Bearing operates efficiently at speeds up to 46,000 rpm, maintaining stability.
Its open design allows for easy lubrication, ensuring consistent performance in varied conditions.

The P4A tolerance class guarantees precision, ideal for applications requiring tight tolerances.
Weighing just 0.13 kg, it offers a balance of strength and lightweight design.

Application

Key Fields for 71910 CDGA/P4A Bearing
71910 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71910 CDGA/P4A Bearing supports components like turbochargers and gearboxes, handling both radial and axial loads efficiently. Its extra-light preload enhances performance in demanding driving conditions.

For medical imaging devices, 71910 CDGA/P4A Bearing’s chrome steel construction provides reliability and smooth operation. The P4A tolerance class ensures consistent performance in critical diagnostic equipment.

In robotics, 71910 CDGA/P4A Bearing is ideal for articulated arms, offering precise movement and durability. Its high-speed capability makes it a reliable choice for automated production lines.

Q&A

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