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Super Precision Angular Contact Ball Bearings 7209 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 7209 ACDGA/P4A

The 7209 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 is designed for angular contact loads, handling up to 9225 lbf dynamically.

With a phenolic cage and open design, it offers smooth operation at speeds up to 41,000 RPM. The extra light preload ensures minimal friction, making it efficient for high-speed applications.

This bearing is suitable for temperatures ranging from -30°C to 110°C and comes lubricated for immediate use. Its P4A tolerance class guarantees exceptional precision.

Ideal for machine tools or spindle applications, it can be arranged back-to-back, face-to-face, or tandem. Weighing 0.41kg, it’s a robust yet lightweight choice for demanding setups. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7209 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 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 9225 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.41 kg
  • Price（$） 9.36
Super Precision Angular Contact Ball Bearings 7209 ACDGA/P4A dimension drawing
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Features

Performance Features of 7209 ACDGA/P4A Bearing

7209 ACDGA/P4A Bearing is crafted with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 9225 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees precision, making it suitable for demanding machinery.

Operating at speeds up to 41,000 rpm, 7209 ACDGA/P4A Bearing maintains efficiency without compromising performance.
Its temperature range of -30°C to 110°C ensures adaptability in various environments.

The open design allows for easy lubrication, extending maintenance intervals.
This bearing is versatile, supporting universal matching in back-to-back, face-to-face, or tandem arrangements.

Application

Key Fields for 7209 ACDGA/P4A Bearing
7209 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 7209 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and P4A tolerance. Its open design allows for easy lubrication, extending service life in demanding applications.

For aerospace components, 7209 ACDGA/P4A Bearing handles both radial and axial loads efficiently, making it ideal for gearbox systems. The chrome steel construction ensures durability even under extreme temperature variations.

In medical imaging devices, 7209 ACDGA/P4A Bearing offers quiet and reliable rotation, essential for precise diagnostics. The metric dimensions make it compatible with a range of European-manufactured equipment.

Automotive applications like electric vehicle motors benefit from 7209 ACDGA/P4A Bearing’s high-speed capability and low maintenance requirements. Its universal matching feature simplifies installation in complex drivetrain configurations.

Q&A

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