ISO/TS16949 manufactory high cost performance top material, strict machining size, perfect surface treatment
6D155 is a heavy duty engine made by Komatsu, we can supply this einge bearing 5000 sets each year.
The material for this engie bearing is CuPb22Sn1(SAE49) for alloy and steel back(SAE1010), the inside surface was machined by precise boring and the surface treatment was coated with 3 element layer(copper-lead-tin) and then coverd with Tin.
Main bearing, 14 pcs, OEM 6127-21-8070 (Daido No.:M878K, NDC No.:MS-1127GP), 4 pcs wide and 10 pcs narrow, half with hole/groove and half plain.
Con rod bearing, 12 pcs. OEM 6127-31-3040(Daido No.: R878K, NDC No.:CB-1127GP), half with hole/groove and half plain.
main and con rod bearing for Komatsu 6D155, M878K
