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Super Precision Angular Contact Ball Bearings S71902 CD/HCP4ADT
Super Precision Angular Contact Ball Bearings S71902 CD/HCP4ADT

Super Precision Angular Contact Ball Bearings S71902 CD/HCP4ADT

The S71902 CD/HCP4ADT is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 14mm. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

With a 15° contact angle and sealed design, it handles radial loads up to 1462 lbf and spins at speeds up to 95,000 RPM. The phenolic cage ensures stability, while the grease lubrication simplifies maintenance.

This matched pair of bearings comes with preload for precise performance. Ideal for high-speed applications like spindles or small machinery where accuracy is key.

Weighing just 0.028kg, it’s lightweight yet robust. Compliant with P4A tolerance standards for reliable use in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71902 CD/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1462 lbf
  • Static Radial Load 855 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.028 kg

Features

Performance Features of S71902 CD/HCP4ADT Bearing

S71902 CD/HCP4ADT Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 95,000 rpm.

Its phenolic cage ensures smooth operation, even under high dynamic radial loads of 1462 lbf.
The sealed design protects against contaminants, extending service life in demanding conditions.

With a matched arrangement of two bearings, S71902 CD/HCP4ADT Bearing offers improved stability.
The chrome steel rings and ceramic balls provide durability, suitable for temperatures from -30°C to 110°C.

Preload availability allows for fine-tuning, ensuring optimal performance in angular contact applications.
Its compact size (15 mm×28 mm×14 mm) makes it ideal for space-constrained installations.

Application

Super Precision Angular Contact Ball Bearings S71902 CD/HCP4ADT are commonly used in high-speed machine spindles, where their ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures stable performance under combined radial and axial loads.

In robotics, S71902 CD/HCP4ADT supports precise joint movements, thanks to its P4A tolerance class and matched bearing arrangement. The sealed design keeps contaminants out, extending service life in demanding environments.

For dental handpieces, S71902 CD/HCP4ADT’s grease lubrication and high-speed capability (up to 95,000 rpm) make it a reliable choice. The chrome steel rings provide durability, while the ceramic balls minimise vibration for smoother operation.

In optical equipment like lens positioning systems, S71902 CD/HCP4ADT’s preload adjustment ensures accurate alignment. The compact 15 mm×28 mm×14 mm size fits neatly into space-constrained designs without sacrificing performance.

For small electric motors, S71902 CD/HCP4ADT handles both radial and axial loads efficiently. The matched set configuration (2 bearings) improves load distribution, making it suitable for applications requiring balanced rotation.

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