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Super Precision Angular Contact Ball Bearings 71808 CDGA/P4

Super Precision Angular Contact Ball Bearings 71808 CDGA/P4

The 71808 CDGA/P4 is a super precision angular contact ball bearing, measuring 40mm by 52mm by 7mm, crafted from high-quality chrome steel. It supports both radial and angular loads, with a dynamic radial load capacity of 1098 lbf.

Its open design and phenolic cage ensure smooth operation at speeds up to 56,000 RPM, even in temperatures ranging from -30°C to 110°C. The bearing comes pre-lubricated for immediate use.

With a 15° contact angle and P4 tolerance class, it offers excellent accuracy for demanding applications. It can be paired in back-to-back, face-to-face, or tandem arrangements for added versatility.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing just 0.031kg, it’s lightweight yet durable for its size.

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Product Parameters

  • Part Number 71808 CDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 29
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1098 lbf
  • Static Radial Load 1102 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.031 kg
  • Price（$） 66.42
Super Precision Angular Contact Ball Bearings 71808 CDGA/P4 dimension drawing
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Features

Why Choose 71808 CDGA/P4 Bearing for Precision Tasks?

71808 CDGA/P4 Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1098 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy for precision machinery.

Operating at speeds up to 56,000 rpm, it balances speed and stability.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

The extra light preload ensures smooth operation without excessive friction.
Its compact size (40 mm×52 mm×7 mm) makes it suitable for space-constrained applications.

Application

Industrial Uses of 71808 CDGA/P4 Bearing
71808 CDGA/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The extra light preload makes it ideal for applications requiring minimal friction and smooth operation.

In automotive applications, 71808 CDGA/P4 Bearing supports components like electric motors and transmissions, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance even under demanding conditions.

For automation systems, 71808 CDGA/P4 Bearing is a reliable choice for robotic arms and CNC machines, thanks to its phenolic cage reducing vibration. The open seal design allows for easy lubrication, extending its service life in continuous operations.

Medical imaging devices benefit from 71808 CDGA/P4 Bearing’s chrome steel construction, providing stability in high-precision equipment. The 15° contact angle ensures optimal load distribution, crucial for sensitive diagnostic tools.

Q&A

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