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Super Precision Angular Contact Ball Bearings S71930 CD/P4ADBA

Super Precision Angular Contact Ball Bearings S71930 CD/P4ADBA

The S71930 CD/P4ADBA is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. Its compact design measures 150mm×210mm×56mm, making it suitable for tight spaces.

This bearing handles radial loads up to 41850 lbf and operates smoothly at speeds up to 11000 RPM. The 15° contact angle and extra light preload ensure precise performance in demanding applications.

Sealed for protection and lubricated with grease, it requires minimal maintenance. The phenolic cage enhances durability, while the matched arrangement of two bearings (DB) provides stability.

Ideal for high-precision machinery like spindles or CNC equipment, it works in temperatures from -30°C to 110°C. Weighing 5kg, it’s robust yet manageable for installation. Compliant with P4A tolerance standards for reliable accuracy.

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Product Parameters

  • Part Number S71930 CD/P4ADBA
  • 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 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 41850 lbf
  • Static Radial Load 58500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5 kg
Super Precision Angular Contact Ball Bearings S71930 CD/P4ADBA dimension drawing
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Features

Performance Features of S71930 CD/P4ADBA Bearing

S71930 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 41850 lbf, it handles demanding conditions reliably.
Its extra light preload (Class A) minimises friction, contributing to efficient performance.

The sealed design and grease lubrication reduce maintenance needs, even in harsh environments.
Operating within -30°C to 110°C, S71930 CD/P4ADBA Bearing maintains stability across a wide temperature range.

The matched arrangement of two bearings (DB) ensures balanced load handling and extended service life.
Its P4A tolerance class guarantees high precision, making it suitable for critical applications.

Application

Industrial Uses of S71930 CD/P4ADBA Bearing
S71930 CD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding environments.

In automotive applications, S71930 CD/P4ADBA Bearing supports high-speed components like turbochargers and electric motors. Its extra light preload reduces friction, improving efficiency and performance.

For medical imaging devices, S71930 CD/P4ADBA Bearing’s phenolic cage and chrome steel construction provide smooth, reliable operation. The P4A tolerance class ensures consistent precision in critical diagnostic equipment.

Automation systems benefit from S71930 CD/P4ADBA Bearing’s matched arrangement, which enhances stability in robotic arms. The grease lubrication reduces maintenance needs, making it ideal for continuous operation.

In consumer electronics, S71930 CD/P4ADBA Bearing’s compact design fits well in high-speed printers and scanners. Its temperature range allows reliable performance in various operating conditions.

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