Babbitt; Bearing, 3 Lb. Cake Rollite No. 77
Part No. 16-452
This lead free alloy is designed for pouring bearings in older elevator hoist machines, motors and generators, of a heavy duty nature. It has the proper mix of Virgin Nickel, Copper and Antimony to achieve the desirable performance characteristics required for most types of regular service. For heavy-duty , see #16-451. The physical properties of the alloy are Brinell 29.3, Compression Strength 18,940 lbs., Tensile Strength 12,675 lbs, Temperature Pouring Range, 780-825° F, and Weight of 5.45 Oz/C.I.