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