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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.

DS50A17H-SB Type A Plate Double Single Sprocket 17 Teeth for 2 #50 Roller Chain

$59.00
SKU DS50A17H-SB
title
DS50A17H-SB
5/8"-1 3/4" Bore
Double Single Sprocket
Fits 2 #50 Roller Chain
17 Tooth
 
L Diameter = 1 21/32"
C Diameter = 1 5/16"
E Diameter = 2 11/16"
Outside Diameter = 3.72"

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