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Super Precision Angular Contact Ball Bearings 71805 CD/P4DGB
Super Precision Angular Contact Ball Bearings 71805 CD/P4DGB

Super Precision Angular Contact Ball Bearings 71805 CD/P4DGB

The 71805 CD/P4DGB is a super precision angular contact bearing with a 25mm bore and 37mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two for versatile mounting options.

This bearing handles radial loads up to 1521 lbf and spins smoothly at speeds up to 103,000 RPM, thanks to its phenolic cage and precision P4 tolerance. Its open design allows easy lubrication, enhancing performance in demanding conditions.

Ideal for high-precision applications like machine tool spindles or robotics, it operates reliably between -30°C and 110°C. The universal matching design supports back-to-back, face-to-face, or tandem arrangements for flexible installation.

Weighing just 0.042kg, it’s lightweight yet robust, making it a practical choice for space-sensitive setups. Compliant with industry standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71805 CD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 20
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 1521 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.042 kg

Features

Performance Features of 71805 CD/P4DGB Bearing

71805 CD/P4DGB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 1521 lbf, it performs reliably in high-speed applications.

71805 CD/P4DGB Bearing operates smoothly at speeds up to 103,000 rpm, thanks to its precision P4 tolerance class.
Its light preload (Class B) enhances stability, making it suitable for precision machinery.

The open design simplifies lubrication, ensuring consistent performance in temperatures from -30°C to 110°C.
Weighing just 0.042 kg, it offers a balance of strength and lightweight efficiency.

Application

Key Fields for 71805 CD/P4DGB Bearing
71805 CD/P4DGB Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth spindle operation. The universal matching feature allows flexible mounting in back-to-back or face-to-face configurations.

In robotics, 71805 CD/P4DGB Bearing provides reliable support for articulated arms, thanks to its light preload and phenolic cage. The P4 tolerance class guarantees consistent performance in repetitive motion tasks.

For medical imaging devices, 71805 CD/P4DGB Bearing’s chrome steel construction offers durability under continuous use. Its low friction characteristics help maintain quiet operation in sensitive environments.

Automotive applications like electric power steering systems benefit from 71805 CD/P4DGB Bearing’s high-speed capability. The metric sizing ensures compatibility with compact European and Asian vehicle designs.

In 3D printers, 71805 CD/P4DGB Bearing’s precision reduces vibration during high-detail printing. The open design simplifies lubrication for extended maintenance intervals.

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