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Super Precision Angular Contact Ball Bearings 71805 CDGB/P4
Super Precision Angular Contact Ball Bearings 71805 CDGB/P4

Super Precision Angular Contact Ball Bearings 71805 CDGB/P4

The 71805 CDGB/P4 is a super precision angular contact ball bearing, measuring 25mm by 37mm by 7mm. Made from chrome steel, it’s designed for high-speed applications, handling radial loads up to 936 lbf.

With a 15° contact angle and light preload, it offers smooth operation at speeds up to 103,000 RPM. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC tools where accuracy is key.

Weighing just 0.021kg, it’s lightweight yet robust. It operates in temperatures from -30°C to 110°C and is interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71805 CDGB/P4
  • 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 7 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 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 936 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.021 kg

Features

Performance Features of 71805 CDGB/P4 Bearing

71805 CDGB/P4 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 936 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical tasks.

Operating at speeds up to 103,000 rpm, it balances performance and efficiency.
Its compact size (25 mm×37 mm×7 mm) allows for versatile use in tight spaces.

Application

Super Precision Angular Contact Ball Bearings 71805 CDGB/P4 are commonly used in high-speed machine tools, where their 15° contact angle ensures accurate radial and axial load handling. The P4 tolerance class makes them suitable for precision applications requiring minimal runout.

In automotive systems like electric motors, 71805 CDGB/P4 Bearings support smooth rotation under angular loads, thanks to their phenolic cage and chrome steel construction. Their compact 25 mm×37 mm×7 mm size fits neatly into tight spaces without compromising performance.

For robotics and automation, these bearings excel in robotic arms and CNC spindles, where their light preload reduces friction during high-speed operation. The open design allows for easy lubrication, extending service life in demanding environments.

Medical imaging devices benefit from 71805 CDGB/P4 Bearings’ low vibration and quiet operation, crucial for sensitive equipment. The metric sizing ensures compatibility with a range of European-designed machinery.

In consumer electronics like high-end printers, these bearings provide reliable performance with their balanced load capacity and temperature stability. Their universal matching option simplifies installation in complex assemblies.

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