Super Precision Angular Contact Ball Bearings 71907 ACEGA/HCP4AL

The 71907 ACEGA/HCP4AL is a super precision angular contact ball bearing, measuring 35mm by 55mm by 10mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 1638 lbf dynamically. It spins at speeds up to 56,000 RPM, making it suitable for high-performance applications.

The phenolic cage ensures stability, while the open design allows for easy lubrication. Its P4A tolerance class guarantees high precision in demanding conditions.

Ideal for machine tools or high-speed spindles, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing just 0.067kg, it’s lightweight yet robust.

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Description

Features

Application

Q&A

Product Parameters

Part Number 71907 ACEGA/HCP4AL
Brand TFL
Interchangeable SKF
Bore Dia 35 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 55 mm
Outer Dia Tolerance -0.004mm to 0
Width 10 mm
Width Tolerance -0.2mm to 0
Ball Dia 5.556 mm
Ball Qty 19
Contact Angle 25°
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 Ceramic
Cage Material Phenolic
Dynamic Radial Load 1638 lbf
Static Radial Load 990 lbf
Lubrication Lubricated
Temperature Range - 30°C to 110 °C
Max Speed 56000 rpm
Weight 0.067 kg

Super Precision Angular Contact Ball Bearings 71907 ACEGA/HCP4AL dimension drawing

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Features

How Does 71907 ACEGA/HCP4AL Bearing Achieve Super Precision?

71907 ACEGA/HCP4AL Bearing features a 25° contact angle, ensuring high precision in angular contact applications.
The ceramic balls and chrome steel rings reduce friction, enhancing performance at speeds up to 56,000 rpm.
Its phenolic cage maintains ball alignment, contributing to smooth operation and extended service life.
With an extra-light preload, it is ideal for applications requiring minimal deflection and high accuracy.

Application

Common Applications of 71907 ACEGA/HCP4AL Bearing
71907 ACEGA/HCP4AL Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment for demanding machining tasks.

In robotics, 71907 ACEGA/HCP4AL Bearing supports articulated arms, providing smooth motion with minimal vibration. Its angular contact design handles combined radial and axial loads efficiently.

For aerospace applications, 71907 ACEGA/HCP4AL Bearing’s lightweight construction and high-speed capability make it suitable for avionics systems. The chrome steel rings offer durability in varying temperature conditions.

Medical imaging devices benefit from 71907 ACEGA/HCP4AL Bearing’s low noise and consistent performance. The open design allows for easy lubrication, extending service life in critical equipment.

In automotive testing rigs, 71907 ACEGA/HCP4AL Bearing ensures accurate measurements under dynamic loads. Its extra-light preload setting minimises drag while maintaining stability.