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20B20 Metric Roller Chain Sprocket

BRAND: Martin Sprocket | MODEL: 20B20 | CONDITION: NEW | SKU: 259949
20B20 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: 13.99 lbs UOM: EA

Additional Description

Technical Specifications

Pitch 31.750 mm
Number Of Teeth 20
Outside Dia 223.598 mm
Material Steel
Pitch Diameter 202.960 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 18.593 mm
Chain Number 20B-1 Hub Configuration B
Chain Pitch 31.750 mm Hub Outside Diameter 113.995 mm
Number of Chain Rows 1 Length thru Bore 50.978 mm
Number of Teeth 20 Construction Detail Welded
Outside Diameter 223.598 mm Bore Type Stock Bore
Pitch Diameter 202.960 mm Min Bore Size 32.000 mm
Single Strand Tooth Thickness 18.593 mm Max Bore Size 80.000 mm
Storage Dimension Length 8.803 in. Weight 14.70 lbs.
Storage Dimension Width 8.803 in. Individually Packaged No
Storage Dimension Height 2.007 in.