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508031 SKU No.
55 mm Bore
62B21 ISO 12B-1 Sprocket 21 Teeth ISO No. 12B-1 Steel Hub Sprocket
For Ametric® No. 62 Single Strand Chain with
19.05mm Pitch
11.68mm Roller Width
12.07mm Roller Dia.
10.8mm (B1)
136.5 mm OD (Approx) (de)
90 mm Hub Dia. (dn)
40 mm (A)
021 Teeth
Steel 55 mm H8 bore, 16x4.3 keyway M12 screw hole over keyway and at 90°
2.27 kg