Super Precision Angular Contact Ball Bearings S71912 ACE/HCP4ADGA

The S71912 ACE/HCP4ADGA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5648 lbf and spins smoothly at speeds up to 32,500 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and universal matching make it versatile for various mounting arrangements.

This bearing excels in high-speed applications like machine tool spindles or precision instruments. With a temperature range of -30°C to 110°C, it’s reliable in diverse environments.

Weighing just 0.32kg, it’s lightweight yet robust. Compliant with P4A tolerance class, it offers exceptional accuracy for demanding tasks. The matched set of two bearings provides flexibility for back-to-back, face-to-face, or tandem configurations.

Get A Free Quote

Description

Features

Application

Q&A

Product Parameters

Part Number S71912 ACE/HCP4ADGA
Brand TFL
Interchangeable SKF
Bore Dia 60 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 85 mm
Outer Dia Tolerance -0.004mm to 0
Width 26 mm
Width Tolerance -0.2mm to 0
Ball Dia 7.938 mm
Ball Qty 23
Contact Angle 25°
Tolerance Class P4A
System of Measurement Metric
Seal Type Sealed
Matched Arrangement Universal matching
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 5648 lbf
Static Radial Load 4950 lbf
Lubrication Grease
Temperature Range - 30°C to 110 °C
Max Speed 32500 rpm
Weight 0.32 kg

Super Precision Angular Contact Ball Bearings S71912 ACE/HCP4ADGA dimension drawing

Download DWG Download PDF

Features

Performance Features of S71912 ACE/HCP4ADGA Bearing

S71912 ACE/HCP4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

The ceramic balls and chrome steel rings enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 5648 lbf, it handles demanding conditions reliably.

Its sealed design and grease lubrication reduce maintenance needs, making it a practical choice for precision tasks.

Application

Key Fields for S71912 ACE/HCP4ADGA Bearing
S71912 ACE/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding industrial settings.

In robotics, S71912 ACE/HCP4ADGA Bearing excels in precision joints and arms, thanks to its universal matching and extra-light preload. The 25° contact angle provides excellent stability for smooth, accurate movements.

For medical imaging devices, S71912 ACE/HCP4ADGA Bearing’s P4A tolerance class ensures minimal vibration and noise. Its grease lubrication and wide temperature range make it reliable for sensitive equipment requiring consistent operation.

In aerospace applications, S71912 ACE/HCP4ADGA Bearing handles both radial and axial loads efficiently. The chrome steel rings and ceramic balls offer a good balance of strength and lightweight performance for critical components.