A.N.S.I. No. 25 Chain - Type B Sprockets - Hub One Side - Mandrel Bore - 1/4" Pitch
Catalog # 25B11(H)
Length Through Bore
Listed maximum bore is with set screw at angle to keyway.
(H) indicates sizes available with or without hardened teeth. All other sizes available with hardened teeth as an alteration.
Hub diameters marked "R" are recessed for chain clearance.
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