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Super Precision Angular Contact Ball Bearings 71917 CD/P4AQBCA
Super Precision Angular Contact Ball Bearings 71917 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71917 CD/P4AQBCA

The 71917 CD/P4AQBCA is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 27900 lbf and operates smoothly at speeds up to 17000 RPM.

Its 15° contact angle and matched set of four bearings provide excellent stability for angular loads. The phenolic cage ensures durability while keeping the weight manageable at 2.12kg.

The open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or aerospace components.

This bearing is interchangeable with SKF models, making it a versatile choice for replacements. Its P4A tolerance class ensures top-tier accuracy for demanding environments.

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Product Parameters

  • Part Number 71917 CD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 43425 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 2.12 kg

Features

Performance Features of 71917 CD/P4AQBCA Bearing

71917 CD/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high radial loads up to 27900 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 17,000 rpm, it delivers reliable performance in demanding conditions.

71917 CD/P4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, ideal for high-precision machinery.

The matched arrangement of four bearings provides stability and consistent performance.
Open seal design allows for easy lubrication, extending the bearing’s service life.

Application

Industrial Uses of 71917 CD/P4AQBCA Bearing
71917 CD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

Where Is 71917 CD/P4AQBCA Bearing Used?
You’ll often find 71917 CD/P4AQBCA Bearing in automotive transmissions, where its extra light preload enhances smooth gear shifting. Its chrome steel construction also handles high radial loads effortlessly.

Built for Heavy-Duty Use: 71917 CD/P4AQBCA Bearing
71917 CD/P4AQBCA Bearing excels in robotics, particularly in robotic arms requiring precise movement. The matched arrangement of four bearings ensures stability even under continuous operation.

Medical vs Industrial: Where 71917 CD/P4AQBCA Bearing Excels
In medical imaging devices, 71917 CD/P4AQBCA Bearing provides quiet and reliable performance. For industrial pumps, its high-speed capability and P4A tolerance class make it a dependable choice.

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