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Super Precision Angular Contact Ball Bearings S71909 ACEGB/P4A

Super Precision Angular Contact Ball Bearings S71909 ACEGB/P4A

The S71909 ACEGB/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. Its compact 12mm width makes it suitable for tight spaces while maintaining high performance.

With a 25° contact angle and sealed design, it handles radial loads up to 2194 lbf and spins smoothly at speeds up to 41,000 RPM. The phenolic cage ensures quiet operation and long service life.

This bearing comes preloaded for light applications and is available in matched sets for back-to-back or face-to-face arrangements. Ideal for high-speed spindles or precision machinery where accuracy is key.

Weighing just 0.13kg, it’s lightweight yet robust, and operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for exceptional precision.

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Product Parameters

  • Part Number S71909 ACEGB/P4A
  • 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 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings S71909 ACEGB/P4A dimension drawing
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Features

Performance Features of S71909 ACEGB/P4A Bearing

S71909 ACEGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing’s P4A tolerance class guarantees high precision, making it suitable for demanding tasks.
With a dynamic radial load capacity of 2194 lbf, it handles significant stress without compromising performance.

S71909 ACEGB/P4A Bearing operates smoothly at speeds up to 41,000 rpm, thanks to its grease lubrication.
Its sealed design protects against contaminants, ensuring reliability in various environments.

The matched arrangement option allows for back-to-back, face-to-face, or tandem configurations.
This versatility makes S71909 ACEGB/P4A Bearing adaptable to different mechanical setups.

With a temperature range of -30°C to 110°C, it performs reliably in diverse conditions.
The lightweight design at 0.13 kg ensures easy handling without sacrificing strength.

Application

Key Fields for S71909 ACEGB/P4A Bearing
In industrial settings, S71909 ACEGB/P4A Bearing is commonly used in high-speed spindles and machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction helps keep contaminants out, extending its service life.

Where Is S71909 ACEGB/P4A Bearing Used?
You’ll often find S71909 ACEGB/P4A Bearing in automotive applications like electric motors and transmissions, where its light preload and matched arrangement improve efficiency. The phenolic cage reduces friction, making it a reliable choice for smooth operation.

Built for Heavy-Duty Use: S71909 ACEGB/P4A Bearing
For robotics and automation, S71909 ACEGB/P4A Bearing excels in robotic arms and CNC machines, thanks to its high-speed capabilities and P4A tolerance class. The grease lubrication ensures consistent performance even under continuous use.

Medical vs Industrial: Where S71909 ACEGB/P4A Bearing Excels
In medical devices like dental drills, S71909 ACEGB/P4A Bearing offers quiet and precise movement, while in industrial pumps, its durability handles demanding conditions. The chrome steel construction provides long-lasting reliability in both fields.

Q&A

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