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Super Precision Angular Contact Ball Bearings 71913 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 71913 CD/P4ADGA

The 71913 CD/P4ADGA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a universal matching set of two bearings.

With a dynamic radial load capacity of 7470 lbf, it handles high speeds up to 31,000 RPM smoothly. The phenolic cage ensures durability, while the open design allows for easy lubrication and maintenance.

This bearing is ideal for precision applications like machine tool spindles or high-speed robotics. Its universal matching capability offers flexibility in arrangement, whether back-to-back, face-to-face, or tandem.

Weighing 0.42kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance class, it ensures reliable performance in demanding environments.

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Product Parameters

  • Part Number 71913 CD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 7470 lbf
  • Static Radial Load 7538 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.42 kg
  • Price（$） 254.25
Super Precision Angular Contact Ball Bearings 71913 CD/P4ADGA dimension drawing
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Features

Performance Features of 71913 CD/P4ADGA Bearing

71913 CD/P4ADGA Bearing is crafted with a 15° contact angle, optimising load distribution for precision tasks.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 7470 lbf, this bearing handles demanding applications effortlessly.
The universal matching design allows flexible arrangements, including back-to-back and face-to-face configurations.

Operating at speeds up to 31,000 rpm, 71913 CD/P4ADGA Bearing maintains reliability in varied conditions.
Its extra-light preload reduces friction, contributing to extended service life and consistent performance.

The open seal design simplifies maintenance, while the P4A tolerance class ensures exceptional precision.
Lubricated for optimal performance, it operates smoothly within a temperature range of -30°C to 110°C.

Application

Ideal for Precision: 71913 CD/P4ADGA Bearing
The 71913 CD/P4ADGA Bearing is commonly used in high-speed machine tools, where its angular contact design ensures accurate spindle rotation. Its universal matching feature allows for flexible arrangements, making it suitable for various setups.

In robotics, 71913 CD/P4ADGA Bearing supports articulated arms, providing smooth movement and low friction. The phenolic cage material helps reduce weight while maintaining durability.

For aerospace applications, 71913 CD/P4ADGA Bearing handles radial and axial loads in components like landing gear systems. Its P4A tolerance class ensures consistent performance under demanding conditions.

Automotive vs Aerospace: Applications of 71913 CD/P4ADGA Bearing
In automotive systems, 71913 CD/P4ADGA Bearing is found in gearboxes, where its extra light preload enhances efficiency. The metric sizing ensures compatibility with a range of vehicle models.

For aerospace, this bearing excels in avionics equipment, where precision and reliability are critical. The chrome steel construction offers long-lasting performance even in extreme temperatures.

What Industries Rely on 71913 CD/P4ADGA Bearing?
Medical imaging devices often use 71913 CD/P4ADGA Bearing for its smooth operation and high precision. The open design allows for easy lubrication, extending service life.

In industrial automation, this bearing is a go-to for conveyor systems and robotic arms. Its dynamic radial load capacity ensures reliable performance in continuous operation.

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