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