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Super Precision Angular Contact Ball Bearings 71934 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71934 CD/P4ADBB

The 71934 CD/P4ADBB is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 47700 lbf and operates smoothly at speeds up to 16250 RPM.

Its 15° contact angle and matched arrangement of two bearings provide excellent stability for angular loads. The phenolic cage ensures durability and quiet operation, even under light preload conditions.

This bearing is ideal for high-precision applications like machine tool spindles or industrial pumps. It works reliably in temperatures from -30°C to 110°C and comes pre-lubricated for easy installation.

Weighing 5.7kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it offers interchangeable compatibility with SKF bearings.

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Product Parameters

  • Part Number 71934 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 47700 lbf
  • Static Radial Load 75375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 5.7 kg
Super Precision Angular Contact Ball Bearings 71934 CD/P4ADBB dimension drawing
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Features

Performance Features of 71934 CD/P4ADBB Bearing

71934 CD/P4ADBB 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.

The bearing handles dynamic radial loads up to 47,700 lbf, making it suitable for high-performance machinery.
With a maximum speed of 16,250 rpm, it maintains precision even at high rotational speeds.

71934 CD/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of two bearings ensures stability and balanced performance in demanding setups.

Application

Industrial Uses of 71934 CD/P4ADBB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In aerospace components, 71934 CD/P4ADBB Bearing handles both radial and axial loads efficiently, such as in helicopter rotor systems. Its phenolic cage offers stability at high speeds, up to 16,250 rpm.

For automation equipment, 71934 CD/P4ADBB Bearing supports robotic arms requiring smooth, precise movement. The matched DB arrangement enhances rigidity, ideal for repetitive tasks in manufacturing lines.

Medical imaging devices benefit from 71934 CD/P4ADBB Bearing’s low-noise operation and consistent performance. The chrome steel construction ensures longevity even in continuous-use scenarios like MRI machines.

In energy sector applications, 71934 CD/P4ADBB Bearing is found in wind turbine pitch systems, where its durability withstands variable loads. The open design allows for easy relubrication in remote installations.

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