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
Bushing Bore Size [Max]
3.063 in
Bore Size [Max]
3.063 in
No. of Teeth Rows Strands
1
Bore Type
Bushed
Bushing Series
2517
Outside Dia. [Min]
8.2410 in
Hub Dia.
4 1/2 in
Hub Length
1.06 in
Overall Length
1 3/4 in
Width Across Teeth
1.75 in
Chain Sprocket Pitch
1.25 in
Sprocket Style
B
Length Through Bore
1.75 in
No. of Strands Across
1
Overall Length Less Threads
N/A
Material
Steel
Caliper Diameter
6.8185 in
Martin No.
100BTB19H
Bushing Bore [Max]
2 1/2 in
Material Internal Use
Carbon Steel
Pitch Dia.
7.594 in
Bushing Type
Taper Lock
Single Strand Tooth Thickness
0.692 in
Hub Projection
1.06 in
Chain No.
100
Construction Internal
Welded
Outside Dia.
8.241 in
Hardened Teeth
With Hardened Teeth
Tooth Width
0.692 in
Pitch Diameter
7.594 in
Bushing Bore [Min]
1/2 in
Hub O.D.
4.5 in
Material External Use
Steel
Inch/Metric
Inch
O.D.
8.241 in
Chain Pitch
1.250 in
Chain Sprocket Number
100
No. of Teeth
19
Type
B
Weight
8.81 LB
EAN or UPC
697950043753
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