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Super Precision Angular Contact Ball Bearings 71907 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71907 ACDGA/P4A

The 71907 ACDGA/P4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is designed for high-speed operations up to 56,000 RPM.

With a dynamic radial load capacity of 2077 lbf, this bearing handles demanding applications smoothly. Its phenolic cage ensures quiet operation and long service life, even in temperatures ranging from -30°C to 110°C.

The open design allows for easy lubrication, while the P4A tolerance class guarantees exceptional accuracy. This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Ideal for precision machinery like spindles or CNC equipment, this lightweight bearing weighs just 0.074kg. Its universal matching capability makes it versatile for various configurations in high-performance systems.

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Product Parameters

  • Part Number 71907 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2077 lbf
  • Static Radial Load 1395 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.074 kg
  • Price（$） 78.912
Super Precision Angular Contact Ball Bearings 71907 ACDGA/P4A dimension drawing
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Features

Performance Features of 71907 ACDGA/P4A Bearing

71907 ACDGA/P4A Bearing is crafted with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 2077 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 56,000 rpm, it delivers smooth performance in precision tasks.

71907 ACDGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload design enhances accuracy, making it ideal for demanding machinery.

The open seal type allows for easy lubrication, ensuring long-term reliability.
Its universal matching capability supports various configurations, including back-to-back and face-to-face arrangements.

Application

Key Fields for 71907 ACDGA/P4A Bearing
71907 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, making it suitable for continuous operation.

In robotics, 71907 ACDGA/P4A Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage material helps reduce friction, which is essential for repetitive tasks.

For medical imaging devices, 71907 ACDGA/P4A Bearing’s chrome steel construction offers durability and consistent performance. The extra light preload ensures minimal vibration, crucial for sensitive equipment.

Automotive applications like electric motor shafts benefit from 71907 ACDGA/P4A Bearing’s high-speed capabilities. Its metric sizing and universal matching options make it versatile for various designs.

In consumer electronics, 71907 ACDGA/P4A Bearing can be found in precision devices like 3D printers. The P4A tolerance class ensures the accuracy needed for detailed prints.

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