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Super Precision Angular Contact Ball Bearings S71901 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71901 CD/HCP4A

The S71901 CD/HCP4A is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 6mm, made from chrome steel and ceramic balls. It handles radial loads up to 596 lbf and reaches speeds of 85,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and sealed design ensure smooth operation with minimal friction, while the phenolic cage adds durability. The bearing comes preloaded for immediate use and maintains performance in temperatures from -30°C to 110°C.

This model meets P4 (ABEC-7) tolerance standards for exceptional accuracy. Ideal for precision machinery like spindles or dental drills where reliability and speed are crucial.

Weighing just 0.01kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Lubricated for long service life with minimal maintenance.

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Product Parameters

  • Part Number S71901 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 596 lbf
  • Static Radial Load 281 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 85000 rpm
  • Weight 0.01 kg
  • Price（$） 113.832
Super Precision Angular Contact Ball Bearings S71901 CD/HCP4A dimension drawing
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Features

Why Choose S71901 CD/HCP4A Bearing for Precision Tasks?

S71901 CD/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 85,000 rpm, it excels in high-speed environments.

S71901 CD/HCP4A Bearing’s P4 tolerance class guarantees exceptional accuracy for demanding tasks.
Its sealed design keeps lubrication intact, reducing maintenance needs.

Application

How Does S71901 CD/HCP4A Bearing Improve Performance?
S71901 CD/HCP4A Bearing is commonly used in high-speed machining centres, where its ceramic balls reduce friction and heat build-up. The 15° contact angle ensures smooth operation even under heavy radial and axial loads.

In robotics, S71901 CD/HCP4A Bearing provides precise motion control for articulated arms and joints. Its phenolic cage offers excellent durability while maintaining low weight for energy efficiency.

For dental handpieces, S71901 CD/HCP4A Bearing’s sealed design keeps contaminants out, ensuring hygiene and long service life. The P4 tolerance class guarantees the accuracy needed for delicate procedures.

What Makes S71901 CD/HCP4A Bearing a Preferred Choice?
S71901 CD/HCP4A Bearing works well in small electric motors, where its compact 12mm bore fits space-constrained designs. The lubricated construction minimises maintenance needs in continuous operation.

In optical equipment like lens positioning systems, S71901 CD/HCP4A Bearing’s ceramic components prevent magnetic interference. This makes it suitable for sensitive measurement devices requiring stable performance.

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