40H21H

Single Strand Sprocket; 40 Chain Size; 21 Teeth; Requires H Split Taper Bushing

Item #100970729

Auto Replenish

each One-time purchase

Alternate Products

Browning H40H21

Single Strand Sprocket; 40 Chain Size; 21 Teeth; Requires H Split Taper Bushing

Item #100803078

each

Compare

Product Details

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.

Tolerances meet or exceed ANSI standards
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
Bores are concentric to pitch line, minimizing run out
Interchangeable with other manufacturers’ split-taper bushings

Specifications

No. of Strands Across	1
Inch/Metric	Inch
Bushing Bore Size [Min]	0.375 in
Pitch Dia.	3.355 in
Hub O.D.	2.5 in
Bushing Type	Split Taper
Hub Projection	0.59 in
Bushing Bore [Min]	0.375 in
Chain No.	40
Bore Type	Bushed
Type	3
Bushing Series	H
Outside Dia. [Min]	3.617 in
No. of Teeth Rows Strands	1
Sprocket Style	B
Chain Sprocket Pitch	0.5 in
Width Across Teeth	0.284 in
Hub Dia.	2 1/2 in
Material Internal Use	Carbon Steel
Tooth Width	0.284 in
Bushing Bore [Max]	1.5 in
Overall Length Less Threads	N/A
Chain Pitch	0.500 in
Hub Length	0.59 in
Hardened Teeth	With Hardened Teeth
Construction Internal	Solid
Bore Size [Max]	1.5 in
Bore Size [Min]	0.375 in
Chain Sprocket Number	40
Bushing Bore Size [Max]	1.5 in
Pitch Diameter	3.3548 in
Overall Length	1.5 in
Material	Steel
Material External Use	Steel
Outside Dia.	3.617 in
Single Strand Tooth Thickness	0.284 in
Length Through Bore	0.875 in
O.D.	3.617 in
Caliper Diameter	3.0334 in
No. of Teeth	21
Weight	0.97 LB
EAN or UPC	697950110578