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Super Precision Angular Contact Ball Bearings 71804 ACD/P4TGB
Super Precision Angular Contact Ball Bearings 71804 ACD/P4TGB

Super Precision Angular Contact Ball Bearings 71804 ACD/P4TGB

The 71804 ACD/P4TGB is a super precision angular contact ball bearing with a 20mm bore and 32mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and light preload ensure smooth operation under radial loads up to 1755 lbf.

With a phenolic cage and open design, it offers low friction and easy maintenance, reaching speeds up to 121,000 RPM. The bearing handles temperatures from -30°C to 110°C, making it versatile for various conditions.

This model comes in a matched set of three, suitable for universal arrangements like back-to-back or face-to-face mounting. Ideal for high-speed applications such as machine tools or precision instruments where accuracy is key.

Weighing just 0.054kg, it’s lightweight yet durable, meeting P4 tolerance standards for exceptional performance. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71804 ACD/P4TGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 32 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 17
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1755 lbf
  • Static Radial Load 1688 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.054 kg

Features

How Is 71804 ACD/P4TGB Bearing Engineered for Reliability?

71804 ACD/P4TGB Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 1755 lbf, it performs reliably in high-speed applications.
The P4 tolerance class guarantees precision, making it suitable for demanding tasks.

71804 ACD/P4TGB Bearing operates smoothly at speeds up to 121,000 rpm, thanks to its balanced design.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The light preload (Class B) ensures minimal vibration and noise during operation.
Its temperature range of -30°C to 110°C makes it adaptable to various working conditions.

Application

How Does 71804 ACD/P4TGB Bearing Improve Performance?
71804 ACD/P4TGB Bearing is widely used in high-speed machine tools, where its 25° contact angle ensures precise radial and axial load handling. The universal matching design allows flexible arrangements for various operational needs.

In robotics, 71804 ACD/P4TGB Bearing supports smooth motion in articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class guarantees consistent accuracy in repetitive tasks.

For medical imaging devices, 71804 ACD/P4TGB Bearing’s chrome steel construction provides durability under continuous use. The light preload ensures quiet operation, essential for sensitive diagnostic equipment.

Automotive applications like electric motor shafts benefit from 71804 ACD/P4TGB Bearing’s high-speed capability. Its lubricated design minimises maintenance while extending service life.

In 3D printing, 71804 ACD/P4TGB Bearing enables precise linear motion with minimal vibration. The open seal type allows easy cleaning, ideal for dust-prone environments.

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