Engineering Class Chains
HB 78 & NH 78 Chains
HB 78 Chain
D
R
A
H
W
T
B
P
HB 78 St ai n l e ss St e e l C h a i n S p e c i fic a t i o n s
C h a i n D i mensio ns Ar e Given In I nc h es
Hitachi
Chain
Number
Pitch
HB78
B a r re l
Pi n
Sidebar
P
Working
Load
lbs
Material
R
W
D
A
B
H
2.609
3,300
403SS
0.875
1.125
0.438
1.188
1.438
1.23
Weight
T
Min.
UTS
lbs
.224
21,000
3.8
lbs/ft
Dimensions subject to change
NH 7 8 C h a i n
D
R
W
H
P
N H 78 Non-Me t a l l i c Ch a i n S p e c i fic a t i o n s
C h a i n D i mensio ns Ar e Given In I nc h es
Hitachi
Chain
Number
Pitch
NH78
Pi n
Link
P
Working
Load
lbs
Material
2.609
1,750
Unfi lled Acetal
H
1.125
R
W
D
0.875
1.063
0.438
Material
18-8 CrNi Steel
Average
Ultimate
Strength
lbs
lbs/ft
4,000
1.41
Wgt
Dimensions subject to change
104
