80BS21 1 1/4

No. 80 - 1" Pitch - Single - Bored to Size Sprocket

Item #100809780

Without Hardened Teeth

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US Tsubaki Inc. 80BS21 1 1/4

No. 80 - 1" Pitch - Finished Bore Sprockets

Item #101638974

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Product Details

Specifications

Material External Use	Steel
Hub Dia.	4 1/4 in
Key Way Size	1/4 X 1/8 in
Inch/Metric	Inch
Pitch Dia.	6.71 in
Chain Sprocket Pitch	1 in
Hub Length Thru	1.175 in
No. of Teeth Rows Strands	1
No. of Teeth	21
Material	Steel
Construction Internal	Welded
Keyway Size	1/4 x 1/8 in
No. of Screws	2
Set Screw Location	(1) Over Keyway and (1) At 90°
Martin No.	80BS21
Keyway	w/Keyway & Set Screw
Pitch Diameter [Min]	6.710 in
Pitch Diameter	6.710 in
Bore Type	Finished Bore
Hub O.D.	4.25 in
Sprocket Style	B
Material Internal Use	Carbon Steel
Chain No.	80
Hub Projection	1.17 in
Finished Bore	1.250 in - 1 1/4 in
O.D.	7.235 in
Single Strand Tooth Thickness	0.575 in
Chain Pitch	1.000 in
Hardened Teeth	Without Hardened Teeth
Outside Dia.	7.2350 in
Set Screw Size	5/16-18 UNC
Chain Sprocket Number	80
Finished Bore Size	1.25 in
Caliper Diameter	6.0657 in
Width Across Teeth	0.575 in
No. of Strands Across	1
Outside Dia. [Min]	7.2350 in
Length Through Bore	1.75 in
Weight	9.5 LB
EAN or UPC	697950310558