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EM-106 < DISASSEMBLY AND ASSEMBLY > HOW TO SELECT PISTON AND BEARING Main Bearings Selection Table (No. 2, 3 and 4 journal) Main Bearings Grade Table (All Journals) Unit: mm (in) WBIA0609E Grade number UPR/LWR Thickness Identification color Remarks 0 — 2.483 - 2.486 (0.0978 - 0.0979) Black Grade is the same for upper 1 — 2.486 - 2.489 (0.0979 - 0.0980) Brown 2 — 2.489 - 2.492 (0.0980 - 0.0981) Green 3 — 2.492 - 2.495 (0.0981 - 0.0982) Yellow 4 — 2.495 - 2.498 (0.0982 - 0.0983) Blue 5 — 2.498 - 2.501 (0.0983 - 0.0985) Pink 6 — 2.501 - 2.504 (0.0985 - 0.0986) Purple 7 — 2.504 - 2.507 (0.0986 - 0.0987) White 8 — 2.507 - 2.510 (0.0987 - 0.0988) Red |