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
Overall Length Less Threads
N/A
Material External Use
Steel
Chain No.
100
Outside Dia. [Min]
12.6430 in
Bushing Bore [Max]
3 in
Material
Steel
No. of Teeth
30
Length Through Bore
2 in
Hub Projection
1.31 in
Hub Length
1.31 in
No. of Teeth Rows Strands
1
Bushing Bore Size [Max]
3.438 in
No. of Strands Across
1
Martin No.
100BTB30H
Caliper Diameter
11.2085 in
Hub Dia.
5 1/4 in
O.D.
12.643 in
Single Strand Tooth Thickness
0.692 in
Chain Sprocket Number
100
Type
B
Overall Length
2 in
Bore Type
Bushed
Pitch Diameter
11.959 in
Hub O.D.
5.25 in
Chain Sprocket Pitch
1.25 in
Sprocket Style
B
Outside Dia.
12.643 in
Bushing Bore [Min]
7/8 in
Inch/Metric
Inch
Bore Size [Max]
3.438 in
Pitch Dia.
11.959 in
Bushing Type
Taper Lock
Bushing Series
3020
Hardened Teeth
With Hardened Teeth
Construction Internal
Welded
Chain Pitch
1.250 in
Width Across Teeth
2 in
Tooth Width
0.692 in
Material Internal Use
Carbon Steel
Weight
24.06 LB
EAN or UPC
697950043814
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