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Super Precision Angular Contact Ball Bearings 71948 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71948 CDGC/P4A

The 71948 CDGC/P4A is a super precision angular contact ball bearing with a 240mm bore and 320mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 51525 lbf and operates smoothly at speeds up to 7500 RPM.

Its 15° contact angle and moderate preload (Class C) ensure stable performance under angular loads. The open design and phenolic cage make it easy to maintain while offering long service life.

This bearing is suitable for temperatures from -30°C to 110°C and comes lubricated for immediate use. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile applications.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and reliability are crucial. Weighing 8.5kg, it’s robust yet manageable for its size, and interchangeable with SKF bearings.

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Product Parameters

  • Part Number 71948 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 320 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 51525 lbf
  • Static Radial Load 73125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 8.5 kg
Super Precision Angular Contact Ball Bearings 71948 CDGC/P4A dimension drawing
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Features

Performance Features of 71948 CDGC/P4A Bearing

71948 CDGC/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 51525 lbf, it handles high-stress conditions reliably.

The P4A tolerance class guarantees precision, making it suitable for demanding industrial uses.

Operating at speeds up to 7,500 rpm, it balances performance and longevity.

Application

Key Fields for 71948 CDGC/P4A Bearing
71948 CDGC/P4A Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate performance. The open seal type allows for easy lubrication, making it suitable for continuous operation.

In aerospace applications, 71948 CDGC/P4A Bearing supports components like turbine shafts, thanks to its chrome steel construction and high dynamic radial load capacity. The phenolic cage adds durability in high-speed environments.

For automation systems, 71948 CDGC/P4A Bearing is ideal for robotic arms, where its precise tolerance class (P4A) ensures smooth movement. The universal matching feature also allows flexible arrangement in complex machinery setups.

Medical imaging devices benefit from 71948 CDGC/P4A Bearing’s reliable performance, especially in high-resolution scanners. Its temperature range (-30°C to 110°C) ensures stability in various operating conditions.

In heavy industrial equipment, 71948 CDGC/P4A Bearing handles significant radial loads, making it a dependable choice for gearboxes and large conveyors. The metric sizing ensures compatibility with a wide range of machinery.

Q&A

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