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
To be run with (2) separate single row chains
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
Bored to accept split taper bushings
Inch/Metric
Inch
Chain Sprocket Pitch
1.25 in
No. of Teeth
21
Chain Sprocket Number
100
Outside Dia. [Min]
9.04 in
Material External Use
Steel
Pitch Diameter
8.387 in
No. of Strands Across
Double Single
Sprocket Style
A
Length Through Bore
2.688 in
Root Diameter
7.637 in
Caliper Diameter
7.613 in
Construction Internal
Solid
Bore Size [Min]
1.125 in
Hardened Teeth
With Hardened Teeth
Chain Pitch
1.250 in
Single Strand Tooth Thickness
0.692 in
Bore Type
Bushed
Keyway Size
3/4 x 4.190
Keyway
w/Keyway
Bushing Bore Size [Min]
1.125 in
Width Across Teeth
2.688 in
Bushing Bore Size [Max]
3.75 in
Pitch Dia.
8.387 in
Material Internal Use
Carbon Steel
Material
Steel
O.D.
9.04 in
Type
A-Double Single
Bore Size [Max]
3.75 in
Bushing Type
Split Taper
Tooth Width
0.692 in
Outside Dia.
9.04 in
Bushing Series
R1
Chain No.
100
No. of Teeth Rows Strands
2
Bushing Bore [Min]
1.125 in
Weight
25.29 LB
EAN or UPC
697950292076
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