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
Tolerances meet or exceed ANSI standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ Taper bushings
Stocked Heat Treat
Material
Steel
Bushing Type
Taper Lock
Overall Length Less Threads
N/A
Chain No.
100
Caliper Diameter
6.4485 in
Pitch Dia.
7.199 in
Outside Dia.
7.839 in
Pitch Diameter
7.199 in
Martin No.
100BTB18H
Bore Type
Bushed
Hub Projection
1.06 in
Material External Use
Steel
Construction Internal
Welded
O.D.
7.839 in
Bore Size [Max]
3.063 in
Type
B
Width Across Teeth
1.75 in
Length Through Bore
1.75 in
Chain Sprocket Pitch
1.25 in
Overall Length
1 3/4 in
Outside Dia. [Min]
7.8390 in
Bushing Bore Size [Max]
3.063 in
Tooth Width
0.692 in
Single Strand Tooth Thickness
0.692 in
No. of Teeth Rows Strands
1
Bushing Bore [Max]
2 1/2 in
Chain Sprocket Number
100
No. of Strands Across
1
Chain Pitch
1.250 in
Hub Length
1.06 in
Hub Dia.
4 1/2 in
Sprocket Style
B
No. of Teeth
18
Hardened Teeth
With Hardened Teeth
Hub O.D.
4.5 in
Bushing Bore [Min]
1/2 in
Bushing Series
2517
Material Internal Use
Carbon Steel
Inch/Metric
Inch
Weight
7.95 LB
EAN or UPC
697950043746
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