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Super Precision Angular Contact Ball Bearings 71918 CDGC/P4A
Super Precision Angular Contact Ball Bearings 71918 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71918 CDGC/P4A

The 71918 CDGC/P4A is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10688 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for angular contact applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision machinery like spindles or CNC equipment, where accuracy is crucial. It can be used in matched sets of three, arranged back-to-back, face-to-face, or tandem.

Weighing 0.55kg, it’s robust yet lightweight. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71918 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • 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 10688 lbf
  • Static Radial Load 11475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.55 kg

Features

Performance Features of 71918 CDGC/P4A Bearing

71918 CDGC/P4A Bearing is crafted with chrome steel rings and balls, offering excellent resistance to radial and angular loads.
Its dynamic radial load capacity of 10688 lbf ensures reliable performance in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 15,000 rpm, it delivers efficient operation without compromising precision.

71918 CDGC/P4A Bearing operates smoothly in temperatures ranging from -30°C to 110°C.
Its moderate preload and P4A tolerance class ensure consistent performance in demanding conditions.

The open design allows for easy lubrication, extending the bearing’s service life.
Its universal matching capability makes it versatile for various mounting arrangements.

Application

Super Precision Angular Contact Ball Bearings 71918 CDGC/P4A are commonly used in high-speed machine tools, where their 15° contact angle ensures accurate radial and axial load handling. The phenolic cage reduces friction, making them suitable for precision grinding applications.

In aerospace components, 71918 CDGC/P4A Bearings provide reliable performance in gearbox systems, thanks to their moderate preload and P4A tolerance class. Their chrome steel construction withstands the demanding conditions of flight operations.

For robotics, 71918 CDGC/P4A Bearings excel in articulated arms, offering smooth movement and durability. The open design allows for easy lubrication, ensuring long service life in automated systems.

Medical imaging devices benefit from 71918 CDGC/P4A Bearings’ low vibration and high-speed capabilities. Their consistent performance is crucial for maintaining precision in diagnostic equipment.

In electric motors, 71918 CDGC/P4A Bearings support high rotational speeds while minimizing energy loss. The metric dimensions make them a versatile choice for various industrial and automotive applications.

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