TSUBAKI
28BA70 ; POR SPROCKET SB
Roller Chain Sprocket; 28B-1 Chain; 70 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material
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TSUBAKI
28BC70 ; POR SPROCKET STOCK BORE
Roller Chain Sprocket; 28B-1 Chain; 70 Teeth; 1 Row of Teeth; Hardened Teeth; C-Hub Both Sides; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material
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