Super Precision Angular Contact Ball Bearings S71907 ACB/HCP4ADGA

The S71907 ACB/HCP4ADGA is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This sealed bearing handles dynamic radial loads up to 1755 lbf and reaches speeds of 56,000 RPM, thanks to its phenolic cage and grease lubrication. It comes in a universal matched set of two bearings for flexible mounting options.

The P4A tolerance class guarantees high precision, while its compact 20mm width saves space. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is crucial.

Weighing just 0.15kg, it operates in temperatures from -30°C to 110°C. Its interchangeable design with SKF bearings makes it a practical choice for replacements or upgrades.

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Description

Features

Application

Q&A

Product Parameters

Part Number S71907 ACB/HCP4ADGA
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 20 mm
Width Tolerance -0.2mm to 0
Ball Dia 3.969 mm
Ball Qty 25
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 1755 lbf
Static Radial Load 1564 lbf
Lubrication Grease
Temperature Range - 30°C to 110 °C
Max Speed 56000 rpm
Weight 0.15 kg

Super Precision Angular Contact Ball Bearings S71907 ACB/HCP4ADGA dimension drawing

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Features

Why Choose S71907 ACB/HCP4ADGA Bearing for Precision Tasks?

S71907 ACB/HCP4ADGA Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.
The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 56,000 rpm, it excels in high-speed environments.

Application

Precision Performance: S71907 ACB/HCP4ADGA Bearing
S71907 ACB/HCP4ADGA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71907 ACB/HCP4ADGA Bearing excels in articulated arms, providing precise movement thanks to its 25° contact angle. The universal matching feature allows flexible arrangement, making it a versatile choice for automated systems.

For medical imaging devices, S71907 ACB/HCP4ADGA Bearing’s P4A tolerance class ensures the accuracy needed for delicate procedures. Its grease lubrication and temperature range make it reliable in both sterile and variable conditions.

Automotive enthusiasts appreciate S71907 ACB/HCP4ADGA Bearing in performance gearboxes, where its extra-light preload enhances responsiveness. The chrome steel rings and ceramic balls handle high speeds without compromising durability.

In 3D printers, S71907 ACB/HCP4ADGA Bearing’s low friction and high-speed capability contribute to precise layering. The matched set option simplifies installation, reducing downtime during maintenance.