Super Precision Angular Contact Ball Bearings S71911 CE/HCP4ADGA

The S71911 CE/HCP4ADGA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under angular loads.

This sealed bearing handles dynamic radial loads up to 5648 lbf and spins at speeds up to 34,000 RPM, thanks to its phenolic cage and grease lubrication. It’s designed for extra light preload (Class A) and comes in a matched set of two.

The universal matching allows flexible arrangements like back-to-back or face-to-face, making it versatile for precision applications. Ideal for high-speed spindles or machine tools where accuracy is key.

Weighing just 0.29kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Description

Features

Application

Q&A

Product Parameters

Part Number S71911 CE/HCP4ADGA
Brand TFL
Interchangeable SKF
Bore Dia 55 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 80 mm
Outer Dia Tolerance -0.004mm to 0
Width 26 mm
Width Tolerance -0.2mm to 0
Ball Dia 7.938 mm
Ball Qty 21
Contact Angle 15°
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 4770 lbf
Lubrication Grease
Temperature Range - 30°C to 110 °C
Max Speed 34000 rpm
Weight 0.29 kg
Price（$） 198.414

Super Precision Angular Contact Ball Bearings S71911 CE/HCP4ADGA dimension drawing

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Features

How Is S71911 CE/HCP4ADGA Bearing Engineered for Reliability?

S71911 CE/HCP4ADGA Bearing features chrome steel rings and ceramic balls, ensuring high precision and durability.

Its 15° contact angle and universal matching design provide excellent load distribution and stability.

With a dynamic radial load capacity of 5648 lbf, it handles demanding applications with ease.

The phenolic cage keeps the ceramic balls aligned, reducing wear and extending service life.

Application

Key Fields for S71911 CE/HCP4ADGA Bearing
S71911 CE/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 environments.

In robotics, S71911 CE/HCP4ADGA Bearing provides smooth motion control for precision arms and joints, thanks to its angular contact design. The universal matching feature allows for flexible configurations in complex assemblies.

For medical imaging devices, S71911 CE/HCP4ADGA Bearing’s P4A tolerance class ensures the accuracy needed for sensitive diagnostics. Its grease lubrication maintains quiet operation, which is essential in clinical settings.

The aerospace industry benefits from S71911 CE/HCP4ADGA Bearing’s lightweight yet durable construction, ideal for applications like avionics systems. The extra light preload helps maintain stability under varying operational conditions.