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Super Precision Angular Contact Ball Bearings 71940 CDGB/P4A

Super Precision Angular Contact Ball Bearings 71940 CDGB/P4A

The 71940 CDGB/P4A is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 46800 lbf and operates smoothly at speeds up to 6300 RPM. Its phenolic cage ensures durability and reduces friction during high-speed rotations.

The open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers exceptional precision for demanding applications.

Ideal for machine tools or spindle systems, this bearing can be arranged back-to-back, face-to-face, or tandem. Weighing 6.1kg, it’s a robust choice for industrial use, compatible with SKF models.

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Product Parameters

  • Part Number 71940 CDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 38 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 46800 lbf
  • Static Radial Load 59625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.1 kg
Super Precision Angular Contact Ball Bearings 71940 CDGB/P4A dimension drawing
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Features

Performance Features of 71940 CDGB/P4A Bearing

71940 CDGB/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.

Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 46,800 lbf, it excels in demanding applications.

How Does 71940 CDGB/P4A Bearing Reduce Friction?

71940 CDGB/P4A Bearing’s precision design minimises friction, ensuring smooth operation even at high speeds.

The phenolic cage and chrome steel components work together to reduce wear and tear.

Its light preload and P4A tolerance class contribute to consistent, low-friction performance.

Lubrication is optimised to further enhance efficiency and longevity.

Engineered for Precision: 71940 CDGB/P4A Bearing

71940 CDGB/P4A Bearing is designed for applications requiring high accuracy and reliability.

Its chrome steel construction and 26-ball configuration ensure stable performance under heavy loads.

The P4A tolerance class guarantees tight dimensional control for precision tasks.

With a maximum speed of 6,300 rpm, it balances speed and precision effortlessly.

Steel vs Ceramic Bearings: Strengths of 71940 CDGB/P4A Bearing

71940 CDGB/P4A Bearing’s chrome steel construction offers a robust and cost-effective solution.

It provides excellent load capacity and durability compared to ceramic alternatives.

The material choice ensures reliable performance in temperatures from -30°C to 110°C.

Its phenolic cage adds to the bearing’s overall strength and efficiency.

Application

Key Fields for 71940 CDGB/P4A Bearing
71940 CDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it ideal for applications demanding minimal vibration.

In aerospace components, 71940 CDGB/P4A Bearing handles radial and axial loads in turbine systems, thanks to its chrome steel construction. The phenolic cage offers stability at high speeds, up to 6,300 rpm.

For medical imaging devices like MRI scanners, 71940 CDGB/P4A Bearing provides smooth, quiet operation due to its precise ball alignment. The open design allows for easy lubrication, extending service life in critical environments.

Automation systems benefit from 71940 CDGB/P4A Bearing’s universal matching capability, enabling flexible configurations in robotic arms. Its 200 mm bore size accommodates heavy-duty shafts commonly found in industrial robots.

In printing machinery, 71940 CDGB/P4A Bearing supports high-speed rollers with consistent performance. The 15° contact angle balances load distribution, reducing wear over prolonged use.

Q&A

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