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
Outside Dia. [Min]
7.4370 in
Single Strand Tooth Thickness
0.692 in
Chain No.
100
Length Through Bore
1.75 in
Bushing Series
2517
Width Across Teeth
1.75 in
Pitch Diameter
6.803 in
Hub O.D.
4.5 in
Bore Size [Max]
3.063 in
Bushing Type
Taper Lock
Chain Sprocket Pitch
1.25 in
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
3.063 in
Material External Use
Steel
Hardened Teeth
With Hardened Teeth
Material
Steel
Bore Type
Bushed
Bushing Bore [Min]
1/2 in
Outside Dia.
7.437 in
No. of Teeth Rows Strands
1
Overall Length
1 3/4 in
Caliper Diameter
6.0237 in
Pitch Dia.
6.803 in
No. of Strands Across
1
Type
B
Tooth Width
0.692 in
Material Internal Use
Carbon Steel
No. of Teeth
17
Chain Pitch
1.250 in
Hub Projection
1.06 in
Construction Internal
Welded
Sprocket Style
B
Bushing Bore [Max]
2 1/2 in
Inch/Metric
Inch
Hub Length
1.06 in
O.D.
7.437 in
Hub Dia.
4 1/2 in
Chain Sprocket Number
100
Martin No.
100BTB17H
Weight
7.13 LB
EAN or UPC
697950043739
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