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16B21 Metric Roller Chain Sprocket

BRAND: Martin Sprocket | MODEL: 16B21 | CONDITION: NEW | SKU: 259607
16B21 Metric Roller Chain Sprocket

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Actual product may vary
Typically In Stock: confirm availability
Returnable: see conditions
Shipping from?: see locations Typically ships in 1 day
Weight: 9.58 lbs UOM: EA

Additional Description

Technical Specifications

Pitch 25.400 mm
Number Of Teeth 21
Outside Dia 186.296 mm
Material Steel
Pitch Diameter 170.421 mm


Metric B Style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and hardened teeth are quick alterations that can be made.
Material Steel Width across Teeth/ Rows 16.180 mm
Chain Number 16B-1 Hub Configuration B
Chain Pitch 25.400 mm Hub Outside Diameter 106.782 mm
Number of Chain Rows 1 Length thru Bore 50.013 mm
Number of Teeth 21 Construction Detail Welded
Outside Diameter 186.296 mm Bore Type Stock Bore
Pitch Diameter 170.421 mm Min Bore Size 25.000 mm
Single Strand Tooth Thickness 16.180 mm Max Bore Size 75.000 mm
Storage Dimension Length 7.335 in. Weight 10.71 lbs.
Storage Dimension Width 7.335 in. Individually Packaged No
Storage Dimension Height 1.969 in.