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
Bore Size [Min]
0.5 in
Bushing Bore Size [Max]
1 in
Hardened Teeth
With Hardened Teeth
Outside Dia.
2.491 in
Chain Sprocket Pitch
0.5 in
Hub Recessed
1
Length Through Bore
0.875 in
Tooth Width
0.284 in
Type
B
Outside Dia. [Min]
2.491 in
No. of Strands Across
1
Overall Length Less Threads
N/A
Hub Projection
0.59 in
Bore Size [Max]
1 in
No. of Teeth
14
Caliper Diameter
1.935 in
Hub Recess Depth
0.08 in
Material External Use
Steel
Hub Length
0.59 in
Hub OD @ Recess
1.66 in
Bushing Type
Taper Lock
Chain Sprocket Number
40
O.D.
2.491 in
Hub Recess Width
0.19 in
Sprocket Style
B
Overall Length
0.875 in
Bore Type
Bushed
Chain No.
40
Bushing Bore [Max]
1 in
Hub O.D.
1.813 in
Hub Dia.
1 13/16 in
Material
Steel
Chain Pitch
0.500 in
Width Across Teeth
0.875 in
Bushing Bore Size [Min]
0.5 in
Inch/Metric
Inch
No. of Teeth Rows Strands
1
Martin No.
40BTB14H
Construction Internal
Solid With Recess Groove
Pitch Dia.
2.247 in
Single Strand Tooth Thickness
0.284 in
Bushing Bore [Min]
0.5 in
Bushing Series
1008
Material Internal Use
Carbon Steel
Pitch Diameter
2.247 in
Weight
0.34 LB
EAN or UPC
697950042992
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