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Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCD

Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCD

The S71930 CD/P4AQBCD is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It measures 150mm×210mm×112mm, making it suitable for heavy-duty applications.

This bearing handles radial loads up to 67950 lbf and operates smoothly at speeds up to 11000 RPM. Its 15° contact angle and heavy preload ensure stability under demanding conditions.

Sealed for protection, it comes pre-lubricated with grease and features a durable phenolic cage. The matched set of four bearings offers consistent performance in precision setups.

Ideal for high-speed machinery like spindles or CNC equipment, it works in temperatures from -30°C to 110°C. Weighing 10kg, it’s robust yet manageable for industrial use.

Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades in precision engineering.

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Product Parameters

  • Part Number S71930 CD/P4AQBCD
  • 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 112 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 67950 lbf
  • Static Radial Load 117000 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 10 kg
Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCD dimension drawing
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Features

Performance Features of S71930 CD/P4AQBCD Bearing

S71930 CD/P4AQBCD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 67,950 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 11,000 rpm.
Sealed design and grease lubrication reduce maintenance needs while maintaining performance.

With a matched arrangement of four bearings, S71930 CD/P4AQBCD Bearing offers stability under heavy preload conditions.
Its precision P4A tolerance class ensures reliable performance in demanding environments.

The temperature range of -30°C to 110°C allows S71930 CD/P4AQBCD Bearing to function in varied conditions.
Its robust construction makes it suitable for high-precision industrial applications.

Application

Industrial Uses of S71930 CD/P4AQBCD Bearing
S71930 CD/P4AQBCD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In aerospace applications, S71930 CD/P4AQBCD Bearing supports critical components like turbine shafts, thanks to its heavy preload and high dynamic load capacity. The phenolic cage reduces friction, enhancing efficiency at high speeds.

For automation systems, S71930 CD/P4AQBCD Bearing provides reliable performance in robotic arms and CNC machines. Its P4A tolerance class ensures consistent operation, even under demanding conditions.

Medical imaging devices benefit from S71930 CD/P4AQBCD Bearing’s precision and smooth operation. The chrome steel construction offers durability, while the grease lubrication ensures quiet performance.

Q&A

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