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 ISO standards
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Interchangeable with other manufacturers’ taper bushings
Hardened Teeth
With Hardened Teeth
Length Through Bore
1 in
Bushing Bore Size [Max]
1.25 in
Bushing Series
1210
O.D.
3.169 in
Outside Dia. [Min]
80.5 mm
No. of Strands Across
1
Chain No.
08B-1
Single Strand Tooth Thickness
0.29 in
Bushing Bore Size [Min]
0.5 in
Overall Length
25.4 mm
No. of Teeth
18
Bushing Bore [Max]
31.75 mm
Bushing Type
Taper Lock
Width Across Teeth
7.37 mm
Construction Internal
Solid With Recess
Inch/Metric
Metric
Material Internal Use
Carbon Steel
Chain Sprocket Number
08B
Outside Dia.
3.169 in
Chain Pitch
0.500 in
Chain Sprocket Pitch
0.5 in
Bore Type
Bushed
Bore Size [Max]
1.25 in
Hub O.D.
2.441 in
Pitch Diameter
73.14 mm
No. of Teeth Rows Strands
1
Hub Projection
24.38 mm
Caliper Diameter
64.63 mm
Hub Length
24.38 mm
Width Across Teeth Rows
0.277 in
Material
Steel
Root Diameter
64.63 mm
Hub Dia.
62 mm
Bore Size [Min]
0.5 in
Type
B
Sprocket Style
B
Pitch Dia.
2.88 in
Material External Use
Steel
Bushing Bore [Min]
0.5 in
Overall Length Less Threads
N/A
Weight
0.59 LB
EAN or UPC
697950408842
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
