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
Chain Pitch
0.750 in
Bushing Series
1610
Bore Size [Min]
0.5 in
Bushing Bore [Max]
38.1 mm
Overall Length Less Threads
N/A
Outside Dia.
4.07 in
Root Diameter
79.56 mm
Single Strand Tooth Thickness
0.428 in
Material
Steel
O.D.
4.07 in
Caliper Diameter
79.06 mm
Width Across Teeth Rows
0.429 in
Pitch Dia.
3.608 in
Bushing Bore Size [Max]
1.625 in
Overall Length
25.4 mm
Bushing Bore [Min]
0.5 in
Material Internal Use
Carbon Steel
Width Across Teeth
10.87 mm
Bore Type
Bushed
Hub Projection
14.53 mm
Hub Dia.
70.64 mm
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
103.37 mm
No. of Teeth Rows Strands
1
Chain Sprocket Number
12B
Sprocket Style
B
No. of Strands Across
1
Hub Length
14.53 mm
Bore Size [Max]
1.625 in
Pitch Diameter
91.63 mm
No. of Teeth
15
Material External Use
Steel
Construction Internal
Solid
Chain No.
12B-1
Bushing Type
Taper Lock
Chain Sprocket Pitch
0.75 in
Inch/Metric
Metric
Type
B
Hub O.D.
2.781 in
Bushing Bore Size [Min]
0.5 in
Length Through Bore
1 in
Weight
1.19 LB
EAN or UPC
697950410074
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