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