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
Bore Size [Min]
0.5 in
No. of Teeth Rows Strands
1
Chain Sprocket Number
08B
Bushing Bore Size [Max]
1.25 in
Material Internal Use
Carbon Steel
Bore Size [Max]
1.25 in
Outside Dia. [Min]
80.5 mm
Single Strand Tooth Thickness
0.29 in
Pitch Dia.
2.88 in
Type
B
Bushing Series
1210
Hub Projection
24.38 mm
Bore Type
Bushed
Chain No.
08B-1
Material
Steel
Overall Length
25.4 mm
Sprocket Style
B
Bushing Type
Taper Lock
Bushing Bore Size [Min]
0.5 in
Outside Dia.
3.169 in
Material External Use
Steel
No. of Teeth
18
Hardened Teeth
With Hardened Teeth
Chain Pitch
0.500 in
Hub O.D.
2.441 in
Chain Sprocket Pitch
0.5 in
Hub Dia.
62 mm
Width Across Teeth Rows
0.277 in
Inch/Metric
Metric
O.D.
3.169 in
Hub Length
24.38 mm
Overall Length Less Threads
N/A
Root Diameter
64.63 mm
Bushing Bore [Min]
0.5 in
Pitch Diameter
73.14 mm
Bushing Bore [Max]
31.75 mm
Length Through Bore
1 in
No. of Strands Across
1
Width Across Teeth
7.37 mm
Caliper Diameter
64.63 mm
Construction Internal
Solid With Recess
Weight
0.59 LB
EAN or UPC
697950408842
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