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Super Precision Angular Contact Ball Bearings S7209 ACDGB/P4A

Super Precision Angular Contact Ball Bearings S7209 ACDGB/P4A

The S7209 ACDGB/P4A is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is sealed for protection, making it suitable for high-speed applications up to 46,000 RPM.

This bearing handles radial loads up to 9225 lbf and comes preloaded for smooth operation. Its phenolic cage ensures stability, while the grease lubrication simplifies maintenance. The temperature range of -30°C to 110°C makes it versatile for various environments.

Designed for angular contact loads, it can be arranged back-to-back, face-to-face, or tandem. Weighing 0.42kg, it’s lightweight yet robust. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. The P4A tolerance class ensures high performance and long service life.

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Product Parameters

  • Part Number S7209 ACDGB/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 Light / Class B
  • 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
Super Precision Angular Contact Ball Bearings S7209 ACDGB/P4A dimension drawing
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Features

Performance Features of S7209 ACDGB/P4A Bearing

S7209 ACDGB/P4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and balls ensure durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and noise during operation.

With a maximum speed of 46,000 rpm, it delivers reliable performance in precision tasks.

How Does S7209 ACDGB/P4A Bearing Resist Wear?

S7209 ACDGB/P4A Bearing’s chrome steel construction provides excellent resistance to wear and corrosion.

The sealed design protects against contaminants, ensuring smooth operation in various environments.

Its dynamic radial load capacity of 9225 lbf makes it suitable for demanding applications.

The grease lubrication further enhances its longevity and reduces maintenance needs.

Engineered for Precision: S7209 ACDGB/P4A Bearing

S7209 ACDGB/P4A Bearing meets P4A tolerance standards, ensuring high precision and accuracy.

Its universal matching capability allows for flexible configurations like back-to-back or face-to-face arrangements.

The light preload ensures optimal performance without excessive friction.

With a temperature range of -30°C to 110°C, it operates reliably in various conditions.

Steel vs Ceramic Bearings: Strengths of S7209 ACDGB/P4A Bearing

S7209 ACDGB/P4A Bearing’s chrome steel construction offers a balance of strength and affordability.

Its 14 balls, each 12.7 mm in diameter, provide even load distribution and smooth operation.

The sealed design and grease lubrication make it low-maintenance and long-lasting.

With a static radial load of 6750 lbf, it handles heavy loads with ease.

Application

Key Fields for S7209 ACDGB/P4A Bearing
S7209 ACDGB/P4A Bearing is widely 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 robotics, S7209 ACDGB/P4A Bearing supports articulated arms, providing smooth movement under varying loads. Its light preload and phenolic cage contribute to quiet operation, ideal for sensitive applications.

For medical imaging devices, S7209 ACDGB/P4A Bearing’s chrome steel components offer reliability and long service life. The P4A tolerance class ensures consistent performance in critical diagnostic equipment.

Automotive applications like electric vehicle motors benefit from S7209 ACDGB/P4A Bearing’s high-speed capability and grease lubrication. Its metric sizing makes it compatible with many European and Asian designs.

In 3D printers, S7209 ACDGB/P4A Bearing enables precise linear motion, essential for detailed prints. The angular contact design handles both radial and axial loads efficiently.

Q&A

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