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133986 SKU No.
70 mm Bore
122B20 ISO 24B-1 Sprocket 20 Teeth ISO No. 24B Steel Hub Sprocket
For Ametric® No. 122 Single Strand Chain with
38.1mm Pitch
25.4mm Roller Width
25.4mm Roller Dia.
24.1mm (B1)
261.5 mm OD (Approx) (de)
136 mm Hub Dia. (dn)
55 mm (A)
020 Teeth
Steel 70 mm H8 bore, 20x4.9 keyway M12 screw hole over keyway and at 90°
12.26 kg