Technical data
16
Group 20
Reciprocating components
Crankshaft
Length .................................................................... 1.066 mm (0.041968")
Crankshaft, end float
1
.............................................0.10–0.40 mm (0.0039–0.0157")
Ovality of main and big end bearings .....................max 0.01 mm (0.000393")
Taper of main and big end bearings ....................... max 0.02
Runout on center bearing .......................................0.15 mm (0.005905")
1
Dimensions refer to oiled components.
Main bearing journal
NOTE! Only check values, not for machining.
Diameter (Ø) standard ............................................ 108.0 mm (4.25196")
Undersize dimension:
0.25 mm .............................................................107.85 -107.87 mm (4.246054 - 4.246841")
0.50 mm .............................................................107.73 -107.75 mm (4.241330 - 4.242117")
0.75 mm .............................................................107.60 -107.62 mm (4.236212 - 4.236999")
1.00 mm .............................................................107.48 -107.50 mm (4.231487 - 4.232275")
1.25 mm .............................................................107.35 -107.37 mm (4.226369 - 4.227156")
Surface finish, main bearing journal ....................... Ra 0.25
Surface finish, radius ............................................. Ra 0.4
Width, main bearing journal (A) standard ................ 42 mm (1.65354")
Oversize dimension:
0.2 mm (thrust bearing 0.1) ................................. 42.17 -42.22 mm (1.660232 - 1.662201")
0.4 mm (thrust bearing 0.2) ................................. 42.37 -42.42 mm (1.668106 - 1.670075")
0.6 mm (thrust bearing 0.3) ................................. 42, 57-42.62 mm (1.65354 - 1.677949")
Fillet radius (R)....................................................... 4.5 mm (0.177165")
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