Super Precision Angular Contact Ball Bearings 71805 CDGA/P4

The 71805 CDGA/P4 is a super precision angular contact ball bearing with a 25mm bore and 37mm outer diameter, designed for high-speed applications. Its 15° contact angle efficiently handles both radial and axial loads, with a dynamic radial load capacity of 936 lbf.

Made from chrome steel with a phenolic cage, it offers smooth operation at speeds up to 103,000 RPM. The open design allows easy lubrication, and it maintains performance in temperatures from -30°C to 110°C.

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 high-speed tools where accuracy is key.

Weighing just 0.021kg, it’s lightweight yet durable, meeting P4 tolerance standards for exceptional precision. Interchangeable with SKF bearings for easy replacement.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71805 CDGA/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 Extra light / Class A
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

Super Precision Angular Contact Ball Bearings 71805 CDGA/P4 dimension drawing

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Features

Performance Features of 71805 CDGA/P4 Bearing

71805 CDGA/P4 Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 936 lbf, 71805 CDGA/P4 Bearing handles demanding conditions reliably.
The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Operating at speeds up to 103,000 rpm, 71805 CDGA/P4 Bearing maintains performance without compromising longevity.
Its compact size (25 mm×37 mm×7 mm) allows for easy integration into space-constrained designs.

The open seal type and universal matching capability make 71805 CDGA/P4 Bearing versatile for various configurations.
It functions efficiently within a temperature range of -30°C to 110°C, ensuring adaptability in diverse environments.

Application

How Does 71805 CDGA/P4 Bearing Improve Performance?
71805 CDGA/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate rotation and minimal vibration. The open seal type allows for easy lubrication, extending its service life in demanding industrial settings.

In robotics, 71805 CDGA/P4 Bearing supports smooth movement in articulated arms, thanks to its extra light preload and phenolic cage. Its compact size makes it ideal for applications where space is limited but performance cannot be compromised.

For medical imaging devices, 71805 CDGA/P4 Bearing’s chrome steel construction provides reliable operation under consistent radial loads. The P4 tolerance class ensures the high precision needed for sensitive diagnostic equipment.

Where Is 71805 CDGA/P4 Bearing Used?
You’ll find 71805 CDGA/P4 Bearing in automotive transmissions, where its 15° contact angle handles combined loads efficiently. The metric sizing ensures compatibility with a wide range of European and Asian vehicle designs.

In consumer electronics like high-end printers, 71805 CDGA/P4 Bearing’s low friction and high-speed capability contribute to quieter operation. Its lightweight design also helps reduce overall device weight without sacrificing durability.