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Super Precision Angular Contact Ball Bearings S71905 CDGA/P4A
Super Precision Angular Contact Ball Bearings S71905 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71905 CDGA/P4A

The S71905 CDGA/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. Its compact 9mm width makes it suitable for tight spaces while maintaining high performance.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 1521 lbf dynamically. It spins smoothly at speeds up to 83,000 RPM, thanks to its phenolic cage and grease lubrication.

The sealed design keeps contaminants out and grease in, ensuring long service life. Its P4A tolerance class guarantees exceptional precision for demanding applications.

Ideal for high-speed machinery like spindles or robotics, this bearing works in temperatures from -30°C to 110°C. Weighing just 0.043kg, it’s lightweight yet robust. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number S71905 CDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 1521 lbf
  • Static Radial Load 900 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.043 kg

Features

Performance Features of S71905 CDGA/P4A Bearing

S71905 CDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 1521 lbf, it excels in demanding applications.

S71905 CDGA/P4A Bearing operates smoothly at speeds up to 83,000 rpm, thanks to its grease lubrication.
Its sealed design protects against contaminants, ensuring reliable operation in various environments.

The P4A tolerance class guarantees exceptional precision, making it ideal for high-accuracy machinery.
Its compact size (25 mm×42 mm×9 mm) allows for easy integration into space-constrained designs.

Application

Common Applications of S71905 CDGA/P4A Bearing
S71905 CDGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71905 CDGA/P4A Bearing supports articulated arms, providing stability and accuracy for repetitive tasks. Its extra-light preload reduces friction, enhancing efficiency in automated systems.

For medical imaging devices, S71905 CDGA/P4A Bearing’s phenolic cage and chrome steel components offer reliable performance. The P4A tolerance class ensures minimal vibration, crucial for sensitive diagnostic equipment.

In aerospace applications, S71905 CDGA/P4A Bearing handles both radial and axial loads in compact spaces. Its high-speed capability makes it suitable for avionics and instrumentation systems.

For consumer electronics like high-end printers, S71905 CDGA/P4A Bearing’s low noise and smooth rotation improve print quality. The grease lubrication extends its lifespan even with frequent use.

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