Bunting BB-16 is a self-lubricating, powdered metal bearing material typically used for heavily loaded applications. This bearing material has excellent compressive strength, wear ability and is shock resistant. This bearing is heat treated to a spec of HRB 70 min. and oil impregnated with an extreme pressure oil. Typical Uses:· Off-road equipment · Backhoes, graders and earth-moving equipment · Escalators · Automotive and railroad applications · Heavily loaded applications.