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Super Precision Angular Contact Ball Bearings S71909 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71909 ACDGA/HCP4A

The S71909 ACDGA/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, designed for high-speed applications. It features a 25° contact angle and is sealed for protection, with a lightweight phenolic cage and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 2790 lbf and spins at speeds up to 41,000 RPM, making it ideal for precision machinery. Its extra-light preload ensures minimal friction, while the grease lubrication simplifies maintenance.

The chrome steel rings and ceramic balls provide durability, and it operates in temperatures from -30°C to 110°C. It’s part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements.

Weighing just 0.12kg, it’s a compact yet high-performance choice for applications like spindles or high-speed motors. Compliant with P4A tolerance standards for precision engineering needs.

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Product Parameters

  • Part Number S71909 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2790 lbf
  • Static Radial Load 2025 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.12 kg
Super Precision Angular Contact Ball Bearings S71909 ACDGA/HCP4A dimension drawing
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Features

Performance Features of S71909 ACDGA/HCP4A Bearing

S71909 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 41,000 rpm, it excels in high-speed applications.

How Is S71909 ACDGA/HCP4A Bearing Engineered for Reliability?

S71909 ACDGA/HCP4A Bearing features a sealed design, protecting against contaminants and extending service life.
The extra light preload ensures smooth operation, ideal for precision tasks.
Its dynamic radial load capacity of 2790 lbf provides reliable performance under stress.
The P4A tolerance class guarantees exceptional accuracy and consistency.

Optimized for Efficiency: S71909 ACDGA/HCP4A Bearing

S71909 ACDGA/HCP4A Bearing’s ceramic balls reduce friction, enabling smoother and quieter operation.
The grease lubrication ensures consistent performance across a temperature range of -30°C to 110°C.
Its compact size (45 mm×68 mm×12 mm) makes it suitable for space-constrained applications.
The universal matching option allows for flexible configurations like back-to-back or face-to-face arrangements.

Application

Common Applications of S71909 ACDGA/HCP4A Bearing
S71909 ACDGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision and ceramic balls ensure smooth operation. The sealed design helps maintain performance in dusty or humid environments.

In robotics, S71909 ACDGA/HCP4A Bearing provides reliable angular contact support for articulated arms, thanks to its extra-light preload. The phenolic cage reduces friction, enhancing efficiency in repetitive movements.

For medical imaging devices, S71909 ACDGA/HCP4A Bearing’s P4A tolerance class ensures minimal vibration. Its grease lubrication and temperature range make it suitable for sensitive diagnostic equipment.

In automotive electric motors, S71909 ACDGA/HCP4A Bearing handles radial and axial loads seamlessly. The chrome steel rings and ceramic balls offer durability for long-term use.

Consumer electronics like high-end printers benefit from S71909 ACDGA/HCP4A Bearing’s quiet operation. The compact size fits neatly into space-constrained designs.

Q&A

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