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Super Precision Angular Contact Ball Bearings S7209 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S7209 ACDGA/P4A

The S7209 ACDGA/P4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with an extra light preload for smooth operation.

This bearing handles radial loads up to 9225 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while the grease lubrication simplifies maintenance.

The P4A tolerance class guarantees exceptional precision, ideal for demanding machinery. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements, offering flexibility in design.

Weighing 0.42kg, it operates efficiently in temperatures from -30°C to 110°C. Perfect for spindle drives or high-speed rotary systems where accuracy and reliability are key.

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Product Parameters

  • Part Number S7209 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 19 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 25°
  • 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 9225 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.42 kg
  • Price（$） 138.15
Super Precision Angular Contact Ball Bearings S7209 ACDGA/P4A dimension drawing
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Features

How Does S7209 ACDGA/P4A Bearing Achieve Super Precision?

S7209 ACDGA/P4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads with high accuracy.
Its chrome steel construction ensures durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 9225 lbf, it performs reliably in demanding applications.
The P4A tolerance class guarantees tight precision, making it suitable for high-speed operations up to 46,000 rpm.

S7209 ACDGA/P4A Bearing comes pre-lubricated with grease, reducing maintenance needs.
Its sealed design protects against contaminants, ensuring consistent performance in various environments.

The bearing’s universal matching capability allows flexible arrangements like back-to-back or face-to-face mounting.
This adaptability makes it a practical choice for complex machinery requiring precise alignment.

Application

Key Fields for S7209 ACDGA/P4A Bearing
S7209 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S7209 ACDGA/P4A Bearing supports components like wheel hubs and transmissions, thanks to its ability to handle both radial and axial loads. The grease lubrication ensures smooth operation over long periods.

For medical devices, S7209 ACDGA/P4A Bearing’s phenolic cage and chrome steel construction provide reliability in equipment like surgical robots. Its low tolerance class makes it ideal for applications requiring minimal vibration.

In automation systems, S7209 ACDGA/P4A Bearing is often found in robotic arms and CNC machines, where its high-speed capability and durability are essential. The universal matching feature allows for flexible mounting configurations.

Q&A

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