40BB17H-1/2''Bore 17 Tooth Idler Sprocket for 40 Roller Chain
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# of Teeth: 17
Bore Size: 1/2 inch
L.T.B: 0.72 inch
OD: 2.99 inch
Pitch Size: 1/2 inch
Type: B Type
Material: AISI 1045 Medium Carbon Steel
Style: Black Oxide
Note: Harden Teeth with 203KRR2 Bearing