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Super Precision Angular Contact Ball Bearings 71934 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71934 CD/P4ATBTA

The 71934 CD/P4ATBTA is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from durable chrome steel. Its compact design measures 170mm x 230mm x 84mm, making it suitable for tight spaces.

This bearing handles high radial loads up to 64350 lbf and operates smoothly at speeds up to 16250 RPM. The 15° contact angle ensures efficient load distribution, while the phenolic cage enhances durability.

Its open design allows for easy lubrication, and the extra light preload (Class A) ensures minimal friction. The bearing works reliably in temperatures from -30°C to 110°C.

Ideal for precision applications like machine tool spindles or high-speed robotics, this set includes three matched bearings for balanced performance. Weighing 8.55kg, it’s robust yet manageable for industrial use.

Compatible with SKF bearings, it offers a reliable replacement option. The P4A tolerance class guarantees exceptional precision for demanding tasks.

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Product Parameters

  • Part Number 71934 CD/P4ATBTA
  • 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 84 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 64350 lbf
  • Static Radial Load 112500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 8.55 kg
Super Precision Angular Contact Ball Bearings 71934 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71934 CD/P4ATBTA Bearing

71934 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.

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

With a dynamic radial load capacity of 64,350 lbf, it handles demanding conditions with ease.

The extra light preload (Class A) enhances performance in high-speed operations up to 16,250 rpm.

Application

How Does 71934 CD/P4ATBTA Bearing Improve Performance?
71934 CD/P4ATBTA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings enhances stability, making it ideal for demanding machining tasks.

In robotics, 71934 CD/P4ATBTA Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, which is crucial for maintaining precision in automated systems.

For aerospace applications, 71934 CD/P4ATBTA Bearing handles both radial and axial loads in components like landing gear systems. The chrome steel construction offers durability under extreme conditions, while the P4A tolerance class guarantees consistent performance.

Medical imaging devices benefit from 71934 CD/P4ATBTA Bearing’s low vibration and high-speed capabilities. The lubricated design ensures quiet operation, essential for sensitive diagnostic equipment.

In industrial pumps, 71934 CD/P4ATBTA Bearing’s extra light preload reduces energy consumption without compromising load capacity. This makes it a reliable choice for continuous operation in fluid handling systems.

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