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Super Precision Angular Contact Ball Bearings S71909 CD/P4ADGA

Super Precision Angular Contact Ball Bearings S71909 CD/P4ADGA

The S71909 CD/P4ADGA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with an extra-light preload for smooth operation.

This bearing handles radial loads up to 4770 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications. The phenolic cage ensures stability, while grease lubrication keeps maintenance simple.

Its universal matching design allows flexible arrangements like back-to-back or face-to-face, ideal for paired setups. Weighing 0.27kg, it’s lightweight yet robust, with a temperature range of -30°C to 110°C.

Perfect for precision machinery, spindles, or high-speed tools where accuracy and reliability are key. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71909 CD/P4ADGA
  • 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 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 4275 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.27 kg
  • Price（$） 185.184
Super Precision Angular Contact Ball Bearings S71909 CD/P4ADGA dimension drawing
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Features

How Does S71909 CD/P4ADGA Bearing Achieve Super Precision?

S71909 CD/P4ADGA Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 4770 lbf, it handles demanding tasks reliably.
The P4A tolerance class guarantees exceptional accuracy, making it ideal for precision machinery.

Why Choose S71909 CD/P4ADGA Bearing for High-Speed Applications?

S71909 CD/P4ADGA Bearing supports speeds up to 46,000 rpm, thanks to its grease lubrication and balanced design.
The sealed construction protects against contaminants, ensuring smooth operation in harsh conditions.
Its universal matching allows flexible arrangements like back-to-back or face-to-face mounting.
The extra light preload reduces friction, enhancing performance in high-speed scenarios.

Engineered for Reliability: S71909 CD/P4ADGA Bearing

S71909 CD/P4ADGA Bearing’s chrome steel construction resists wear, extending its service life.
The phenolic cage maintains ball alignment, reducing vibration and noise during operation.
With a static radial load capacity of 4275 lbf, it offers stability under heavy loads.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

Steel vs Ceramic Bearings: Strengths of S71909 CD/P4ADGA Bearing

S71909 CD/P4ADGA Bearing uses chrome steel for its rings and balls, balancing cost and performance.
The phenolic cage provides a lightweight yet durable alternative to metal cages.
Its 23-ball design distributes loads evenly, improving efficiency and reducing wear.
The sealed design and grease lubrication make it low-maintenance and long-lasting.

Application

Key Fields for S71909 CD/P4ADGA Bearing
S71909 CD/P4ADGA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps keep contaminants out, extending its service life in demanding environments.

In robotics, S71909 CD/P4ADGA Bearing provides smooth motion control for articulated arms, thanks to its universal matching capability. The phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace applications, S71909 CD/P4ADGA Bearing’s extra light preload and P4A tolerance class deliver reliable performance in navigation systems. Its chrome steel construction withstands both radial and axial loads with ease.

In medical imaging devices, S71909 CD/P4ADGA Bearing offers quiet operation and minimal vibration, crucial for maintaining image clarity. The grease lubrication ensures consistent performance over long periods.

Automotive electric power steering systems benefit from S71909 CD/P4ADGA Bearing’s high-speed capability and durability. Its matched arrangement simplifies installation, reducing assembly time in production lines.

Q&A

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