Main journal inner
diameter grade
(Without bearing)
Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 4
Grade No. 7
63.993 - 63.994 (2.5194 - 2.5194)
63.994 - 63.995 (2.5194 - 2.5195)
63.995 - 63.996 (2.5195 - 2.5195)
63.996 - 63.997 (2.5195 - 2.5196)
63.997 - 63.998 (2.5196 - 2.5196)
63.998 - 63.999 (2.5196 - 2.5196)
63.999 - 64.000 (2.5196 - 2.5197)
64.000 - 64.001 (2.5197 - 2.5197)
64.001 - 64.002 (2.5197 - 2.5198)
64.002 - 64.003 (2.5198 - 2.5198)
64.003 - 64.004 (2.5198 - 2.5198)
64.004 - 64.005 (2.5198 - 2.5199)
64.005 - 64.006 (2.5199 - 2.5199)
64.006 - 64.007 (2.5199 - 2.5200)
64.007 - 64.008 (2.5200 - 2.5200)
64.008 - 64.009 (2.5200 - 2.5200)
64.009 - 64.010 (2.5200 - 2.5201)
64.010 - 64.011 (2.5201 - 2.5201)
64.011 - 64.012 (2.5201 - 2.5202)
64.012 - 64.013 (2.5202 - 2.5202)
64.013 - 64.014 (2.5202 - 2.5202)
64.014 - 64.015 (2.5202 - 2.5203)
64.015 - 64.016 (2.5203 - 2.5203)
64.016 - 64.017 (2.5203 - 2.5203)
Difference in inner
diameter between
cylinders
Standard
Less than 0.03 (0.0012)
Piston, Piston Ring and Piston Pin
NHEM0036
AVAILABLE PISTON
NHEM0036S01
Unit: mm (in)
SEM882E
Piston skirt diameter “A”
Standard
Grade No. 1
92.979 - 92.988 (3.6606 - 3.6609)
Grade No. 2
92.988 - 93.000 (3.6609 - 3.6614)
Grade No. 3
93.000 - 93.009 (3.6614 - 3.6618)
0.20 (0.0079) oversize (Service)
93.179 - 93.209 (3.6685 - 3.6696)
“a” dimension
45.4 (1.787)
Piston pin hole diameter
Grade No. 0
21.993 - 21.999 (0.8659 - 0.8661)
Grade No. 1
21.999 - 22.005 (0.8661 - 0.8663)
Piston clearance to cylinder block
0.010 - 0.032 (0.0004 - 0.0013)
GI
MA
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Cylinder Block (Cont’d)
EM-79