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B design bearings (fig. 1) are designed for high-speed operation and are best suited for lighter loads and lower operating temperatures. When compared to E and D design bearings, B design bearings are equipped with the maximum number of very small balls. The smaller, lighter balls reduce the centrifugal loads acting
d, 25, mm. D, 80, mm. B, 21, mm. d1, ≈, 49.2, mm. d2, ≈, 40.32, mm. D1, ≈, 60.2, mm. a, 33, mm. r1,2, min. 1.5, mm. r3,4, min. 1.5, mm For information on selecting the appropriate bearing for a given application, and interpreting the data on this page, refer to Bearing selection process. For general information on rolling