16A57

Metric Roller Chain Sprocket

Item #100966486

32.02 mm Minimum Bore

437.7 mm Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

Product Details

Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

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

Specifications

Bore Style	Minimum Bore
Bore Type	Reborable
Hub Projection	N/A
No. of Teeth	57
No. of Strands Across	1
Chain Pitch	25.4 mm
Bore Range [Min]	32.02 mm
Hardened Teeth	Without Hardened Teeth
Chain No.	16B, 16B-1
Sprocket Style	A
Root Diameter	445.2 mm
Hub Dia.	N/A
Martin No.	16A57
Bore Range [Max]	437.7 mm
Pitch Diameter [Min]	461.1 mm
Outside Dia.	476.96 mm
Pin Diameter	15.875 mm
Pitch Diameter	461.1 mm
Inch/Metric	Metric
Material	Steel
Length Through Bore	16.18 mm
Caliper Diameter	445.03 mm
Family Name	No. 16 - 25.400 mm Pitch - Single - A
Outside Dia. [Min]	476.96 mm
Hub Length Thru	N/A
Single Strand Tooth Thickness	16.18 mm
Width Across Teeth	16.18 mm
Series	A
Pitch Root Diameter	445.2 mm
Weight	39.99 LB
EAN or UPC	697950402802