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Super Precision Angular Contact Ball Bearings 71934 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71934 CD/P4ADBA

The 71934 CD/P4ADBA is a super precision angular contact ball bearing, measuring 170mm by 230mm by 56mm, crafted from durable chrome steel. It handles radial loads up to 47700 lbf and operates smoothly at speeds up to 16250 RPM.

With a 15° contact angle and extra light preload, it offers precise performance. The open design and phenolic cage ensure easy maintenance and long service life.

This matched set of two bearings (DB arrangement) is ideal for high-precision applications like machine tool spindles. It works reliably in temperatures from -30°C to 110°C.

Weighing 5.7kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71934 CD/P4ADBA
  • 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 Extra light / Class A
  • 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/P4ADBA dimension drawing
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Features

Performance Features of 71934 CD/P4ADBA Bearing

71934 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of 47,700 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 16,250 rpm, it balances precision and performance in demanding conditions.

71934 CD/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction while maintaining stability.

The matched arrangement of two bearings (DB) provides consistent performance in precision applications.
Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 71934 CD/P4ADBA Bearing
71934 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications demanding minimal friction and smooth operation.

In aerospace components, 71934 CD/P4ADBA Bearing supports critical systems like turbine shafts, thanks to its robust chrome steel construction. The matched arrangement of two bearings enhances stability under dynamic radial loads.

For automation systems, 71934 CD/P4ADBA Bearing excels in robotic arms, where its phenolic cage reduces weight without compromising strength. The P4A tolerance class guarantees consistent performance in repetitive tasks.

Medical imaging devices benefit from 71934 CD/P4ADBA Bearing’s precision, ensuring quiet and reliable operation in MRI machines. Its wide temperature range allows for use in various clinical environments.

In high-speed packaging machinery, 71934 CD/P4ADBA Bearing’s lubricated design minimises wear during continuous operation. The 15° contact angle provides optimal load distribution for extended service life.

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