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Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATBTB

The 71934 ACD/P4ATBTB is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 59625 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched set of three bearings (arranged TBT) provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing 8.55kg, it’s robust yet designed for precision performance. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 71934 ACD/P4ATBTB
  • 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 25°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 59625 lbf
  • Static Radial Load 108000 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 ACD/P4ATBTB dimension drawing
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Features

Performance Features of 71934 ACD/P4ATBTB Bearing

71934 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel construction ensures high strength and durability under heavy radial loads.

With a dynamic radial load capacity of 59,625 lbf, it performs reliably in demanding conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.

71934 ACD/P4ATBTB Bearing operates smoothly at speeds up to 16,250 rpm, balancing performance and efficiency.
Its precision P4A tolerance class ensures consistent accuracy in high-speed applications.

The matched arrangement of three bearings provides stability and uniform load sharing.
This design is ideal for applications requiring high precision and reliability.

Application

Industrial Uses of 71934 ACD/P4ATBTB Bearing
71934 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched set arrangement ensures stability in demanding industrial environments.

In aerospace applications, 71934 ACD/P4ATBTB Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable performance. The phenolic cage reduces friction, making it suitable for continuous operation.

For robotics, 71934 ACD/P4ATBTB Bearing provides smooth motion in articulated arms, where precision and durability are essential. Its light preload helps maintain accuracy without compromising on speed.

Medical imaging systems benefit from 71934 ACD/P4ATBTB Bearing’s consistent performance, ensuring minimal vibration during scans. The chrome steel construction offers long-lasting reliability in sensitive equipment.

In automation lines, 71934 ACD/P4ATBTB Bearing keeps conveyor systems running smoothly, even under heavy loads. Its P4A tolerance class guarantees the precision needed for seamless production processes.

Q&A

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