B71940-C-T-P4S-UL

The B71940-C-T-P4S-UL Spindle Bearing is a high-precision, single-row angular contact ball bearing engineered for the most demanding spindle applications. Featuring a 15° contact angle, this bearing offers a superior combination of high running accuracy, exceptional rigidity, and significant load-carrying capacity, making it ideal for high-speed machine tool spindles and other precision machinery. Its P4S tolerance class ensures extremely tight dimensional and running accuracy, which translates directly into reduced vibration and improved workpiece finish. The 'UL' designation indicates a universal design, allowing for flexible arrangement in pairs or sets with a light preload for optimized performance.

The advantages of the B71940-C-T-P4S-UL lie in its specialized design for dynamic environments. The 'T' suffix signifies a textile laminated phenolic resin cage, which is lightweight and capable of withstanding higher operating temperatures, contributing to extended bearing life and operational stability. This bearing's robust construction and precision manufacturing minimize internal friction and heat generation, enabling it to achieve high limiting speeds crucial for modern manufacturing processes. Its suitability for both radial and single-direction axial loads, coupled with its universal matching capability, provides engineers with a versatile and reliable solution for achieving maximum precision and performance in critical rotating equipment.

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