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Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4AQBCA

Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4AQBCA

The S71910 ACB/HCP4AQBCA is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 4275 lbf and spins smoothly at speeds up to 34,000 RPM, thanks to its ceramic balls and phenolic cage. The extra-light preload ensures minimal friction, making it efficient for high-speed applications.

Its sealed design keeps grease in and contaminants out, reducing maintenance needs. Ideal for precision machinery like CNC spindles or dental equipment, where accuracy and speed are crucial.

Weighing 0.53kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a dependable choice for demanding environments.

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Product Parameters

  • Part Number S71910 ACB/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 29
  • Contact Angle 25°
  • 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 4275 lbf
  • Static Radial Load 5310 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.53 kg
Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4AQBCA dimension drawing
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Features

Performance Features of S71910 ACB/HCP4AQBCA Bearing

S71910 ACB/HCP4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing efficiency and durability.

The sealed design protects against contaminants, ensuring reliable operation in various environments.
With a maximum speed of 34,000 rpm, it delivers high performance for demanding tasks.

S71910 ACB/HCP4AQBCA Bearing’s phenolic cage maintains ball alignment, reducing wear and extending service life.
Its extra light preload (Class A) ensures smooth operation with minimal vibration.

The matched arrangement of four bearings provides consistent performance in angular contact applications.
Its dynamic radial load capacity of 4275 lbf makes it suitable for heavy-duty precision tasks.

S71910 ACB/HCP4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
The grease lubrication ensures long-lasting performance with minimal maintenance.

Application

Industrial Uses of S71910 ACB/HCP4AQBCA Bearing
S71910 ACB/HCP4AQBCA Bearing is commonly used in high-speed machine spindles, where its precision and ceramic balls reduce friction for smoother operation. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

What Makes S71910 ACB/HCP4AQBCA Bearing a Preferred Choice?
In robotics, S71910 ACB/HCP4AQBCA Bearing ensures accurate movement in articulated arms, thanks to its angular contact design and phenolic cage. The extra-light preload also minimises vibration, which is crucial for delicate tasks.

Perfect Fit for Automation: S71910 ACB/HCP4AQBCA Bearing
S71910 ACB/HCP4AQBCA Bearing works well in CNC machinery, where its P4A tolerance class maintains tight tolerances during high-speed cuts. The grease lubrication ensures consistent performance even under continuous use.

Medical vs Industrial: Where S71910 ACB/HCP4AQBCA Bearing Excels
In medical imaging devices, S71910 ACB/HCP4AQBCA Bearing’s ceramic balls provide quiet, low-friction rotation for precise scans. Meanwhile, in industrial pumps, its sealed construction resists dust and moisture for reliable operation.

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