CRANKSHAPT MAIN BEARING CHART Position STD 001 U S 002 U S 010 U S 020 U S 030 U S J Front 3847064 3847080 38 47 ALL Front Int 3847065 3847081 Rear Int 3847066 3847082 40 47 ALL Rear 3847068 3847084 Front 3688836 3688840 3688844 3688848 3688852 48 52 ALL Front Int 3691087 3691091 3691095 3691099 3691103 53 ALL exc P G iRear Int 3688838 3688842 3688846 3688850 3688854 Rear 3703894 3703895 3703896 3703897 3703898 Front 3718993 3718994 3718995 3718996 3718997 53 PASS CORVETTE w P G Front Int 3715504 3715506 3715508 3715510 3715512 54 55 ALL CORVETTE 6 cyl Rear Int 3715505 3715507 3715509 3715511 3715513 Rear 3718931 3718932 3718933 3718934 3718935 Front 3728971 3728972 3728973 3728974 3728975 3728976 Front Int 3728977 3728978 3728979 3728980 3728981 3728982 55 62 ALL w tang type 6 cyl Rear Int 37289831 37289841 37289851 37289861 37289871 37289881 Rear 3728989 3728990 3728991 3728992 3728993 3728994 55 56 ALL CORVETTE 8 cyl exc dual 4BC ALL exc Rear 3715024 3715025 3715026 3720641 3715027 55 63 ALL CORVETTE 8 cyl exc 327 348 409 Rear 37301891 37301901 37301911 37301921 37301931 56 PASS CORVETTE w dual 4BC ALL exc Rear 3715032 3715033 3715034 3734128 3715035 57 ALL 8 cyl exc dual 4BC F 1 58 63 ALL CORVETTE 283 exc H L Cam ALL exc Rear 3740023 3740024 3740025 3740026 3740027 57 PASS w dual 4BC F I 57 CORVETTE 58 59 PASS F 1 w H L Cam 58 61 CORVETTE w H L Cam 62 63 ALL CORVETTE 327 ALL exc Rear 3815741 3740029 3740030 3740031 3740032 58 59 PASS w H L Cam 348 exc P G 59 PASS P G w H L Cam 348 lst design 59 60 PASS w J H Per Sp H Per 348 61 PASS w Sp H Per 348 ALL exc Rear 3750715 3750716 3750717 3750718 3750719 58 60 PASS 348 exc H L Cam H Per Sp H Per 59 60 PASS P G w H L Cam 348 2nd design 61 PASS 348 exc Sp H Per ALL exc Rear 3750710 3750716 3750712 3750713 3750714 58 63 PASS 348 409 Rear 3750720 3750721 3750722 3750723 3750724 60 62 Ser 10 20 w P G 6 cyl Rear Int 3779465 3779466 3779467 3779468 3779469 3779470 60 63 Ser 10 20 w P G 8 cyl 62 63 PASS CORVETTE 327 Rear 3779460 3779461 3779462 3779463 3779464 61 63 PASS 409 ALL exc Rear 3797713 3797714 3797715 3797716 3797717 63 ALL 230 63 Ser 10 D D 4 cyl ALL exc Rear 3792553 3792554 3792555 3792556 3792557 63 ALL 292 ALL exc Rear 3829061 3829062 3829063 3829064 3829065 3829066 63 ALL 230 63 Ser 10 D D 4 cyl Rear 3792558 3792559 3792560 3792561 3792562 63 ALL 292 Rear 3829067 3829068 3829069 3829070 3829071 3829072 NOTE Bearings having no supplementary note are Durex 100 NOTE Aluminum M 400 NOTE Aluminum M 500 1 NOTE Not used on 1960 63 Ser 10 20 w P G 0 098 CAP Crankshaft Front Intermediate Bearing 48 52 ALL 53 ALL exc P G can 3688994 3688994 1 2 55 53 PASS CORVETTE w P G 54 55 ALL CORVETTE 6 cyl cast 3718379 3718379 1 2 55 55 62 ALL 6 cyl w tang type brgs painted yellow stripe 3731074 1 2 55 55 62 ALL CORVETTE 8 cyl exc 348 409 cast 3743951 yellow stripe 3746337 1 0 095 Chevrolet Motor General Motors Corporation