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
Sprocket Style
B
No. of Teeth Rows Strands
1
Chain No.
100
Type
B
Pitch Dia.
9.577 in
Material Internal Use
Carbon Steel
Overall Length Less Threads
N/A
Bushing Type
Taper Lock
Hardened Teeth
With Hardened Teeth
O.D.
10.245 in
Hub O.D.
4.5 in
Martin No.
100BTB24H
Bushing Series
2517
Length Through Bore
1.75 in
Material
Steel
Bushing Bore Size [Max]
3.063 in
No. of Strands Across
1
Hub Dia.
4 1/2 in
Width Across Teeth
1.75 in
Chain Pitch
1.250 in
Outside Dia.
10.245 in
Bore Type
Bushed
Bore Size [Max]
3.063 in
Chain Sprocket Pitch
1.25 in
Chain Sprocket Number
100
No. of Teeth
24
Material External Use
Steel
Single Strand Tooth Thickness
0.692 in
Pitch Diameter
9.577 in
Overall Length
1 3/4 in
Tooth Width
0.692 in
Bushing Bore [Min]
1/2 in
Hub Projection
1.06 in
Outside Dia. [Min]
10.2450 in
Hub Length
1.06 in
Caliper Diameter
8.8266 in
Construction Internal
Welded
Inch/Metric
Inch
Bushing Bore [Max]
2 1/2 in
Weight
13.86 LB
EAN or UPC
697950043791
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