Block

Item
Measurement
Qualification
Standard or New
Service Limit
Block
Warpage of deck
0.07 mm (0.003 in.) max.
0.10 mm (0.004 in.)
Bore diameter
A or l
87.010−87.020 mm (3.4256−3.4260 in.)
87.070 mm (3.4279 in.)
B or II
87.000−87.010 mm (3.4252−3.4256 in.)
87.070 mm (3.4279 in.)
Bore taper
———
0.05 mm (0.002 in.)
Reboring limit
———
0.25 mm (0.01 in.)