Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.
features
Hardened teeth sprockets afford longer chain and sprocket life
No. of Teeth Rows Strands
1
Width Across Teeth
0.692 in
O.D.
5.415 in
Bore Size [Max]
1.625 in
No. of Teeth
12
Outside Dia.
5.415 in
Bushing Bore Size [Max]
1.625 in
Sprocket Style
B
Overall Length
1.5 in
Martin No.
100BTB12H
Hardened Teeth
With Hardened Teeth
Type
B
Overall Length Less Threads
N/A
Chain Pitch
1.250 in
Hub Dia.
3 1/4 in
Bushing Bore [Max]
1.625 in
Bushing Series
1615
Bushing Bore [Min]
0.5 in
Chain Sprocket Number
100
Material Internal Use
Carbon Steel
Bushing Type
Taper Lock
Material
Steel
Hub O.D.
3.25 in
Bore Type
Bushed
Pitch Diameter
4.83 in
Inch/Metric
Inch
Chain No.
100
Chain Sprocket Pitch
1.25 in
Single Strand Tooth Thickness
0.692 in
Material External Use
Steel
Length Through Bore
1.5 in
No. of Strands Across
1
Construction Internal
Solid
Weight
3.38 LB
EAN or UPC
697950043685
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