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