Super Precision Angular Contact Ball Bearings 71902 CDGA/P4A

The 71902 CDGA/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 893 lbf dynamically.

With a phenolic cage and open design, it offers smooth operation at speeds up to 230,000 RPM. The extra light preload ensures minimal friction, making it efficient for high-speed applications.

This bearing is interchangeable with SKF models and comes in a universal matching set for versatile mounting options (back-to-back, face-to-face, or tandem). Ideal for precision machinery like spindles or dental equipment where accuracy is key.

Weighing just 0.015kg, it’s lightweight yet robust. It operates in temperatures from -30°C to 110°C and is pre-lubricated for immediate use. Compliant with P4A tolerance class for exceptional performance.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71902 CDGA/P4A
Brand TFL
Interchangeable SKF
Bore Dia 15 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 28 mm
Outer Dia Tolerance -0.004mm to 0
Width 7 mm
Width Tolerance -0.2mm to 0
Ball Dia 3.969 mm
Ball Qty 13
Contact Angle 15°
Tolerance Class P4A
System of Measurement Metric
Seal Type Open
Matched Arrangement No
Number Of Bearings In Matched Set 2
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 893 lbf
Static Radial Load 428 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 230000 rpm
Weight 0.015 kg
Price（$） 65.421

Super Precision Angular Contact Ball Bearings 71902 CDGA/P4A dimension drawing

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Features

Performance Features of 71902 CDGA/P4A Bearing

71902 CDGA/P4A Bearing is designed with a 15° contact angle, optimising it for angular contact loads.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 71902 CDGA/P4A Bearing maintains ball alignment, reducing friction and wear.
With a maximum speed of 230,000 rpm, it excels in precision applications requiring high rotational speeds.

71902 CDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal resistance, enhancing performance in sensitive machinery.

The dynamic radial load capacity of 893 lbf makes 71902 CDGA/P4A Bearing reliable for demanding tasks.
Its compact size of 15 mm×28 mm×7 mm allows for easy integration into various precision systems.

Application

Common Applications of 71902 CDGA/P4A Bearing
71902 CDGA/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth operation. The open seal type allows for easy lubrication, making it suitable for continuous use.

In robotics, 71902 CDGA/P4A Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage reduces friction, enhancing performance in automated systems.

For medical imaging devices, 71902 CDGA/P4A Bearing’s chrome steel construction offers reliability under consistent loads. The extra light preload ensures minimal vibration, crucial for accurate diagnostics.

In aerospace applications, 71902 CDGA/P4A Bearing handles both radial and axial loads in compact spaces. Its high-speed capability makes it ideal for avionics and control systems.

Consumer electronics like high-end printers benefit from 71902 CDGA/P4A Bearing’s quiet operation. The metric sizing ensures compatibility with various European and Asian models.