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Super Precision Angular Contact Ball Bearings 71901 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71901 ACDGB/P4A

The 71901 ACDGB/P4A is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 6mm, crafted from durable chrome steel. It features a 25° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 574 lbf and spins smoothly at speeds up to 140,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. It works well in temperatures ranging from -30°C to 110°C.

Ideal for high-speed applications like spindles or precision tools, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing just 0.01kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 71901 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 574 lbf
  • Static Radial Load 266 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.01 kg
  • Price（$） 89.532
Super Precision Angular Contact Ball Bearings 71901 ACDGB/P4A dimension drawing
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Features

Performance Features of 71901 ACDGB/P4A Bearing

71901 ACDGB/P4A Bearing is designed with a 25° contact angle, optimising performance in angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 574 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotation.
With a maximum speed of 140,000 rpm, it delivers reliable performance in precision tasks.

71901 ACDGB/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its lightweight design at just 0.01 kg makes it suitable for compact applications without compromising strength.

The P4A tolerance class ensures high precision, meeting strict industry standards.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Key Fields for 71901 ACDGB/P4A Bearing
71901 ACDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In robotics, 71901 ACDGB/P4A Bearing supports articulated arms, providing the necessary accuracy for repetitive movements. Its phenolic cage reduces friction, enhancing performance in automated systems.

For medical imaging devices, 71901 ACDGB/P4A Bearing’s chrome steel construction offers reliability under continuous use. The P4A tolerance class ensures minimal vibration, crucial for sensitive diagnostic equipment.

In consumer electronics like high-end printers, 71901 ACDGB/P4A Bearing’s compact size and high-speed capability contribute to consistent performance. The open design allows for easy lubrication, extending its service life.

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