B7040-E-T-P4S-UL

Designed specifically for high-speed machine tool main spindles, the B7040-E-T-P4S-UL is a premium single-row angular contact ball bearing that delivers tight guidance accuracy alongside a massive 295 kN dynamic load capacity. Measuring 200mm x 310mm x 51mm, it utilizes a 25-degree contact angle and a lightweight laminated fabric window cage to keep friction and operating temperatures strictly controlled, even when pushing speeds up to 6,000 rpm under oil lubrication. A major mechanical advantage of the B7040-E-T-P4S-UL is its P4S tolerance rating-which comfortably exceeds standard DIN P4 specifications-providing the extreme running precision required for heavy milling and grinding operations. Because it features a universal design suffix, engineers can easily mount the B7040-E-T-P4S-UL in tandem, back-to-back, or face-to-face arrangements to instantly achieve a reliable light preload without relying on custom shims. This combination of structural stiffness, out-of-the-box mounting flexibility, and high-speed endurance makes it an ideal fit for heavy-duty, vibration-sensitive manufacturing environments.

We provide sea and air freight services for large bearings, and international express shipping services for small bearings.

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