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Super Precision Angular Contact Ball Bearings 71912 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71912 CDGC/P4A

The 71912 CDGC/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4478 lbf and operates smoothly at speeds up to 31,000 RPM.

With a 15° contact angle and moderate preload, it offers stable performance for angular contact applications. The phenolic cage ensures quiet operation and long service life.

This bearing is suitable for high-precision machinery like spindles or CNC tools, where accuracy is key. It works in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.

Weighing just 0.19kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71912 CDGC/P4A
  • 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 24
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.19 kg
  • Price（$） 114.237
Super Precision Angular Contact Ball Bearings 71912 CDGC/P4A dimension drawing
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Features

How Does 71912 CDGC/P4A Bearing Reduce Friction?

71912 CDGC/P4A Bearing features a 15° contact angle, optimised for smooth angular contact performance.
Its chrome steel construction ensures durability while maintaining low friction during operation.

The phenolic cage design helps reduce weight and friction, enhancing efficiency.
With a maximum speed of 31,000 rpm, it delivers reliable performance in high-speed applications.

Moderate preload (Class C) ensures stable operation under dynamic radial loads up to 4478 lbf.
Its precision P4A tolerance class guarantees consistent performance in demanding conditions.

Application

Key Fields for 71912 CDGC/P4A Bearing
71912 CDGC/P4A Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate performance. The phenolic cage helps reduce friction, making it suitable for high-speed operations.

Where Is 71912 CDGC/P4A Bearing Used?
In automotive applications, 71912 CDGC/P4A Bearing supports components like electric motors and gear systems, thanks to its balanced load handling. The chrome steel construction provides durability in demanding conditions.

Perfect Fit for Automation: 71912 CDGC/P4A Bearing
For robotics and automation, 71912 CDGC/P4A Bearing offers reliable performance in robotic arms and CNC machines. Its P4A tolerance class ensures precision in repetitive tasks.

Medical vs Industrial: Where 71912 CDGC/P4A Bearing Excels
In medical imaging devices, 71912 CDGC/P4A Bearing’s low friction and high-speed capability are ideal. Industrial uses include spindle drives, where its stability under radial loads is beneficial.

Light-Duty vs Heavy-Duty: Best Uses for 71912 CDGC/P4A Bearing
71912 CDGC/P4A Bearing works well in light-duty applications like dental drills, while its robust design also handles industrial pumps. The open seal allows for easy lubrication maintenance.

Q&A

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