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
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
Outside Dia.
14.469 in
Bore Size [Max]
3.5 in
Hub Length
2.38 in
Hub Dia.
6 1/2 in
Overall Length Less Threads
N/A
Tooth Width
1.156 in
Chain Sprocket Number
160
Bore Size [Min]
1.188 in
Martin No.
160BTB21H
Chain Sprocket Pitch
2 in
Outside Dia. [Min]
14.469 in
Pitch Diameter
13.419 in
Hub O.D.
6.5 in
Type
B
Length Through Bore
3.5 in
Chain Pitch
2.000 in
Material
Steel
Hub Projection
2.38 in
Width Across Teeth
1.156 in
Material Internal Use
Carbon Steel
Single Strand Tooth Thickness
1.156 in
Bushing Bore Size [Max]
3.5 in
Bushing Type
Taper Lock
Bushing Bore Size [Min]
1.188 in
Sprocket Style
B
No. of Strands Across
1
Inch/Metric
Inch
No. of Teeth Rows Strands
1
O.D.
14.469 in
No. of Teeth
21
Hardened Teeth
With Hardened Teeth
Construction Internal
Welded
Overall Length
3.5 in
Bushing Bore [Max]
3.5 in
Caliper Diameter
12.3565 in
Bore Type
Bushed
Bushing Series
3535
Chain No.
160
Bushing Bore [Min]
1.188 in
Material External Use
Steel
Pitch Dia.
13.419 in
Weight
48.66 LB
EAN or UPC
697950044101
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