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Super Precision Angular Contact Ball Bearings S7209 CD/HCP4AQBCA

Super Precision Angular Contact Ball Bearings S7209 CD/HCP4AQBCA

The S7209 CD/HCP4AQBCA is a super precision angular contact ball bearing with a 45mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 25200 lbf and reaches speeds of 46000 RPM, making it suitable for high-performance applications.

Its sealed design and phenolic cage ensure smooth operation with minimal maintenance, while the grease lubrication extends its lifespan. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model comes in a matched set of four bearings with an extra-light preload, ideal for precision machinery like spindles or CNC equipment. Its 15° contact angle provides excellent stability under angular loads.

Weighing 1.39kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it ensures reliable performance in critical applications.

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Product Parameters

  • Part Number S7209 CD/HCP4AQBCA
  • 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 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 25200 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 1.39 kg
Super Precision Angular Contact Ball Bearings S7209 CD/HCP4AQBCA dimension drawing
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Features

Performance Features of S7209 CD/HCP4AQBCA Bearing

S7209 CD/HCP4AQBCA Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation under high dynamic radial loads of 25200 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 46,000 rpm, it delivers reliable performance in demanding conditions.

S7209 CD/HCP4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs while ensuring consistent performance.

Application

Industrial Uses of S7209 CD/HCP4AQBCA Bearing
S7209 CD/HCP4AQBCA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation at elevated speeds.

What Makes S7209 CD/HCP4AQBCA Bearing a Preferred Choice?
In robotics, S7209 CD/HCP4AQBCA Bearing provides reliable performance in articulated arms, thanks to its sealed design and phenolic cage. The extra light preload also minimises vibration, enhancing movement precision.

Perfect Fit for Automation: S7209 CD/HCP4AQBCA Bearing
S7209 CD/HCP4AQBCA Bearing works well in automated production lines, particularly in pick-and-place systems. Its matched arrangement of four bearings ensures consistent load distribution for prolonged use.

Medical vs Industrial: Where S7209 CD/HCP4AQBCA Bearing Excels
For medical imaging devices, S7209 CD/HCP4AQBCA Bearing offers quiet operation and low heat generation. In industrial settings, its high dynamic radial load capacity makes it suitable for heavy machinery.

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