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 External Use
Steel
Hub Length
1.06 in
Caliper Diameter
6.4485 in
Hardened Teeth
With Hardened Teeth
Bushing Type
Taper Lock
No. of Teeth
18
Outside Dia.
7.839 in
No. of Strands Across
1
Bore Type
Bushed
Outside Dia. [Min]
7.8390 in
Material Internal Use
Carbon Steel
Width Across Teeth
1.75 in
Material
Steel
Martin No.
100BTB18H
Chain Pitch
1.250 in
Bushing Bore Size [Max]
3.063 in
Chain Sprocket Pitch
1.25 in
Chain No.
100
Hub Projection
1.06 in
Inch/Metric
Inch
Single Strand Tooth Thickness
0.692 in
Hub O.D.
4.5 in
Overall Length
1 3/4 in
Tooth Width
0.692 in
Construction Internal
Welded
Chain Sprocket Number
100
Sprocket Style
B
Type
B
Bushing Series
2517
Hub Dia.
4 1/2 in
Bushing Bore [Max]
2 1/2 in
Pitch Dia.
7.199 in
Overall Length Less Threads
N/A
O.D.
7.839 in
Bore Size [Max]
3.063 in
Length Through Bore
1.75 in
No. of Teeth Rows Strands
1
Bushing Bore [Min]
1/2 in
Pitch Diameter
7.199 in
Weight
7.95 LB
EAN or UPC
697950043746
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