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You might not think engineers are brave.....But it took balls of steel to make the first bearings.
You might not think engineers are brave.....But it took balls of steel to make the first bearings.
Duplex Sprocket D40B12H-SB Heat Treated Type B for #40 Duplex Roller Chain 12 Tooth

Duplex Sprocket D40B12H-SB Heat Treated Type B for #40 Duplex Roller Chain 12 Tooth

$23.50
SKU D40B12H-SB
D40B12H
Double Strand Sprocket - Duplex Sprocket
Stock Bore 1/2"
OD: 2.170"
Hub Diameter: 1-9/16"
LTB: 1-1/2"
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