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
Sprocket Style
B
Length Through Bore
1.75 in
Hub O.D.
4.5 in
Bore Size [Max]
3.438 in
Width Across Teeth
1.75 in
Bore Type
Bushed
Chain Sprocket Number
100
No. of Strands Across
1
Caliper Diameter
9.6203 in
Bushing Bore [Min]
1/2 in
Construction Internal
Welded
Single Strand Tooth Thickness
0.692 in
No. of Teeth Rows Strands
1
Type
B
Outside Dia.
11.045 in
Pitch Diameter
10.370 in
Hub Projection
1.06 in
Chain Pitch
1.250 in
O.D.
11.045 in
Bushing Type
Taper Lock
Chain Sprocket Pitch
1.25 in
Chain No.
100
Bushing Bore Size [Max]
3.438 in
Inch/Metric
Inch
Martin No.
100BTB26H
Tooth Width
0.692 in
Overall Length Less Threads
N/A
Hub Length
1.06 in
Hub Dia.
4 1/2 in
Material External Use
Steel
Bushing Series
2517
No. of Teeth
26
Pitch Dia.
10.37 in
Material Internal Use
Carbon Steel
Overall Length
1 3/4 in
Hardened Teeth
With Hardened Teeth
Bushing Bore [Max]
2 1/2 in
Outside Dia. [Min]
11.0450 in
Weight
16.22 LB
EAN or UPC
697950043807
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