Super Precision Angular Contact Ball Bearings S71900 ACD/HCP4A

The S71900 ACD/HCP4A is a super precision angular contact ball bearing with a compact size of 10mm by 22mm by 6mm, crafted from chrome steel and ceramic balls. It handles radial loads up to 544 lbf and reaches speeds of 85,000 RPM, making it suitable for high-performance applications.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures smooth operation. The 25° contact angle provides excellent stability under angular loads.

This bearing is available with preload and matched arrangements, offering flexibility for precise setups. Ideal for use in machine tools, spindles, or other high-speed equipment where accuracy is key.

Weighing just 9 grams, it’s lightweight yet durable. Compliant with P4 tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

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Description

Features

Application

Q&A

Product Parameters

Part Number S71900 ACD/HCP4A
Brand TFL
Interchangeable SKF
Bore Dia 10 mm
Bore Dia Tolerance -0.004mm to 0
Outer Dia 22 mm
Outer Dia Tolerance -0.005mm to 0
Width 6 mm
Width Tolerance -0.2mm to 0
Ball Dia 3.175 mm
Ball Qty 12
Contact Angle 25°
Tolerance Class P4 (ABEC-7)
System of Measurement Metric
Seal Type Sealed
Matched Arrangement Available
Preload Available
For Load Direction Angular Contact
Ring Material Chrome Steel
Ball Material Ceramic
Cage Material Phenolic
Dynamic Radial Load 544 lbf
Static Radial Load 238 lbf
Lubrication Lubricated
Temperature Range -30° to 110 °C
Max Speed 85000 rpm
Weight 0.009 kg
Price（$） 111.321

Super Precision Angular Contact Ball Bearings S71900 ACD/HCP4A dimension drawing

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Features

Engineered for Precision: S71900 ACD/HCP4A Bearing

S71900 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.

The ceramic balls and chrome steel rings ensure smooth operation with minimal friction, even at high speeds.

With a maximum speed of 85,000 rpm, it delivers reliable performance in demanding conditions.

Its phenolic cage maintains ball alignment, reducing wear and extending service life.

Application

Common Applications of S71900 ACD/HCP4A Bearing
S71900 ACD/HCP4A 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 robotics, S71900 ACD/HCP4A Bearing provides smooth motion control for precision arms and joints, thanks to its P4 tolerance class. Its compact size makes it ideal for space-constrained applications.

For medical imaging devices, S71900 ACD/HCP4A Bearing’s angular contact design handles both radial and axial loads efficiently. The chrome steel rings and ceramic balls offer durability in sterile environments.

Automotive applications like electric vehicle motors benefit from S71900 ACD/HCP4A Bearing’s high-speed capability and low maintenance needs. The matched arrangement option ensures consistent performance in demanding conditions.

In aerospace systems, S71900 ACD/HCP4A Bearing’s lightweight construction and precision tolerances meet strict industry standards. Its temperature range suits both ground and flight conditions.