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Super Precision Angular Contact Ball Bearings S71930 ACDGB/P4A

Super Precision Angular Contact Ball Bearings S71930 ACDGB/P4A

The S71930 ACDGB/P4A is a super precision angular contact ball bearing, measuring 150mm by 210mm by 28mm. Made from chrome steel, it handles radial loads up to 24300 lbf and spins smoothly at speeds up to 11000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides excellent stability for angular loads.

This bearing comes in matched sets of two, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or aerospace systems.

With a temperature range of -30°C to 110°C, it’s reliable in various conditions. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71930 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • 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 24300 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.5 kg
Super Precision Angular Contact Ball Bearings S71930 ACDGB/P4A dimension drawing
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Features

Performance Features of S71930 ACDGB/P4A Bearing

S71930 ACDGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 24,300 lbf.

The sealed design and grease lubrication reduce maintenance needs while maintaining performance.
With a maximum speed of 11,000 rpm, it balances high-speed operation with reliability.

S71930 ACDGB/P4A Bearing’s phenolic cage enhances stability and reduces friction during use.
Its precision P4A tolerance class ensures consistent performance in demanding conditions.

The matched arrangement option allows for versatile mounting configurations.
This makes S71930 ACDGB/P4A Bearing suitable for complex machinery setups.

Application

Key Fields for S71930 ACDGB/P4A Bearing
S71930 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment and smooth operation. The sealed construction helps maintain performance in environments with dust or debris.

In aerospace applications, S71930 ACDGB/P4A Bearing supports components like turbine shafts, thanks to its ability to handle both radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed rotations.

For robotics, S71930 ACDGB/P4A Bearing provides reliable motion control in robotic arms, where precision and durability are essential. Its matched arrangement allows for easy installation in complex assemblies.

Medical imaging devices benefit from S71930 ACDGB/P4A Bearing’s consistent performance, ensuring smooth operation in critical diagnostic equipment. The grease lubrication extends service life, reducing maintenance needs.

In automation systems, S71930 ACDGB/P4A Bearing is ideal for high-speed spindles, where its light preload enhances stability. The chrome steel construction ensures long-term reliability in demanding conditions.

Q&A

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