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