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The 71807 ACD/HCP4 is a super precision angular contact ball bearing with a 35mm bore and 47mm outer diameter, designed for high-speed applications. Its 25° contact angle efficiently handles combined radial and thrust loads.
Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 48,000 RPM. The phenolic cage ensures durability while keeping the bearing lightweight at just 0.026kg.
With a P4 tolerance class, this bearing provides exceptional accuracy for demanding tasks. It works well in temperatures from -30°C to 110°C and comes pre-lubricated for easy use.
Ideal for precision machinery like spindles or CNC tools where high speed and low friction are key. Its open design allows for straightforward maintenance and replacement.
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Why Choose 71807 ACD/HCP4 Bearing for Precision Tasks?
71807 ACD/HCP4 Bearing features a 25° contact angle, optimised 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 even at high speeds up to 48,000 rpm.
With a P4 tolerance class, it delivers consistent performance in demanding conditions.
71807 ACD/HCP4 Bearing’s compact design (35 mm×47 mm×7 mm) suits space-constrained installations.
Its dynamic radial load capacity of 981 lbf ensures reliability in precision machinery.
Common Applications of 71807 ACD/HCP4 Bearing
71807 ACD/HCP4 Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The P4 tolerance ensures precision in demanding industrial settings.
In robotics, 71807 ACD/HCP4 Bearing excels in articulated arms, thanks to its angular contact design handling combined loads effortlessly. Its compact size fits seamlessly into tight spaces without compromising performance.
For dental drills and lab equipment, 71807 ACD/HCP4 Bearing’s low heat generation and high-speed capability make it a reliable choice. The chrome steel rings provide durability even with frequent sterilisation cycles.
Where Is 71807 ACD/HCP4 Bearing Used?
You’ll often find 71807 ACD/HCP4 Bearing in CNC spindles, where its 48,000 rpm rating and preload option maintain accuracy during prolonged use. The open design simplifies lubrication for extended service life.
In electric vehicle motors, 71807 ACD/HCP4 Bearing handles both radial and axial forces efficiently. Its ceramic balls resist electrical arcing, preventing premature wear in high-voltage environments.
Built for Heavy-Duty Use: 71807 ACD/HCP4 Bearing
71807 ACD/HCP4 Bearing performs reliably in aerospace test rigs, where its -30° to 110°C range accommodates extreme conditions. The phenolic cage dampens vibrations for more stable readings.
For packaging machinery, 71807 ACD/HCP4 Bearing’s quick acceleration suits intermittent high-speed cycles. Its lightweight construction reduces energy consumption without sacrificing load capacity.
Automotive vs Aerospace: Applications of 71807 ACD/HCP4 Bearing
In automotive turbochargers, 71807 ACD/HCP4 Bearing withstands rapid speed changes while maintaining oil film integrity. The 25° contact angle optimises thrust load distribution.
For satellite gyroscopes, 71807 ACD/HCP4 Bearing’s ceramic components prevent magnetic interference. The ABEC-7 precision meets strict aerospace tolerancing requirements.
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