Single Strand Sprocket; 100 Chain Size; 21 Teeth; Requires E QD Bushing
Item #105089536
each
Single Strand Sprocket
100 Chain Size
21 Teeth
Requires QD E Bushing
With Hardened Teeth
description
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’ QD bushings
Stocked Heat Treat
Hub Dia.
6 1/4 in
Hardened Teeth
With Hardened Teeth
No. of Teeth
21
Caliper Diameter
7.6134 in
Length Through Bore
1.625 in
Martin No.
100E21H
Inch/Metric
Inch
Bore Size [Max]
3.313 in
Pitch Diameter
8.387 in
Width Across Teeth
0.692 in
No. of Strands Across
1
Bushing Type
QD
Outside Dia.
9.043 in
Screw Size
1/2-13 NC
Hub Projection
0.94 in
Chain No.
100
Tooth Width
0.692 in
Outside Dia. [Min]
9.0430 in
Chain Pitch
1.250 in
Bore Type
Bushed
Overall Length
1 5/8 in
Bushing Bore Size [Max]
3.313 in
Bushing Bore [Max]
3 1/2 in
Material Internal Use
Carbon Steel
Construction Internal
Welded
O.D.
9.043 in
Bore Size [Min]
0.875 in
Bushing Bore [Min]
0.875 in
Sprocket Style
B
Material
Steel
Bushing Series
E
Bushing Bore Size [Min]
0.875 in
Single Strand Tooth Thickness
0.692 in
No. of Teeth Rows Strands
1
Material External Use
Steel
Hub O.D.
6.25 in
Pitch Dia.
8.387 in
Hub Length
0.94 in
Chain Sprocket Number
100
Type
B
Chain Sprocket Pitch
1.25 in
Overall Length Less Threads
N/A
Weight
12.8 LB
EAN or UPC
697950042398
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