Kyodo Yushi Lubrication Authorized Dealer. The Boca Bearing Company is an authorized dealer for Kyodo Yushi lubrication. Kyodo Yushi is a lubricating grease product line offering both standard and highly specialized lubricating greases. Kyodo Yushi is considered a leader in grease technology especially with respect to urea type greases and low noise type greases e.g. Multemp SRL, Multemp PS 2, Multemp SB-M, Multemp ET-R etc. Kyodo Yushi greases are offered for increased reliability, quality, service and total cost.