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Super Precision Angular Contact Ball Bearings 71906 CD/PA9ADBC

Super Precision Angular Contact Ball Bearings 71906 CD/PA9ADBC

The 71906 CD/PA9ADBC is a super precision angular contact ball bearing, measuring 30mm by 47mm by 18mm, crafted from durable chrome steel. It handles radial loads up to 2565 lbf and operates smoothly at speeds up to 100,500 RPM.
Its 15° contact angle and matched pair design (DB arrangement) provide stable performance under moderate preload. The open seal allows easy lubrication, while the phenolic cage ensures quiet operation.
This bearing suits high-speed applications like machine tool spindles or precision instruments. With a temperature range of -30°C to 110°C, it’s reliable in various conditions.
Weighing just 0.096kg, it’s lightweight yet robust. Compliant with PA9A tolerance standards for precision engineering needs.

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Product Parameters

  • Part Number 71906 CD/PA9ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 15°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2565 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.096 kg
Super Precision Angular Contact Ball Bearings 71906 CD/PA9ADBC dimension drawing
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Features

Why Choose 71906 CD/PA9ADBC Bearing for Precision Tasks?

71906 CD/PA9ADBC Bearing features a 15° contact angle, ideal for handling combined radial and axial loads.
Its matched arrangement of two bearings ensures stability and precise alignment in high-speed applications.

The chrome steel rings and balls provide durability, while the phenolic cage reduces friction.
With a maximum speed of 100,500 rpm, it delivers reliable performance in demanding conditions.

Moderate preload class C enhances operational smoothness and extends service life.
Its open design allows for easy lubrication, maintaining optimal performance over time.

Application

Industrial Uses of 71906 CD/PA9ADBC Bearing
71906 CD/PA9ADBC Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The moderate preload helps maintain stability during demanding operations.

In robotics, 71906 CD/PA9ADBC Bearing supports articulated arms, providing smooth movement and durability. Its phenolic cage reduces friction, making it ideal for repetitive tasks.

For automotive applications, 71906 CD/PA9ADBC Bearing fits well in gearbox systems, handling both radial and axial loads efficiently. The matched arrangement enhances load distribution for longer service life.

Medical imaging devices benefit from 71906 CD/PA9ADBC Bearing’s consistent performance and low noise. The chrome steel construction ensures reliability in critical healthcare environments.

In consumer electronics, 71906 CD/PA9ADBC Bearing can be found in high-end printers, where precision and quiet operation are essential. Its compact size makes it suitable for space-constrained designs.

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