Power Transmission > Sprockets > Roller Chain Sprockets > Single Strand Roller Chain Sprockets > #120 Roller Chain Sprockets > #120 R Type Sprockets
120R21 Sprocket (Taper Bushed)
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120R21 Sprocket Dimensions

Sprocket Size: 120R21 Tooth Count: 21 Bushing Size: R1 Outside Diameter: 10.850" Pitch Diameter: 10.064" Sprocket Type: 4 Maximum Bore: 3-3/4" Dimension (OL): 3-5/32" Dimension (L): 2-7/8" Dimension (H): 5-3/8" Dimension (P): 1-15/16" Dimension (T): 0.924" Bushing Weight: 7.5 LBS Sprocket Weight: 20.7 LBS
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Sprocket Size: 120R21 Tooth Count: 21 Bushing Size: R1 Outside Diameter: 10.850" Pitch Diameter: 10.064" Sprocket Type: 4 Maximum Bore: 3-3/4" Dimension (OL): 3-5/32" Dimension (L): 2-7/8" Dimension (H): 5-3/8" Dimension (P): 1-15/16" Dimension (T): 0.924" Bushing Weight: 7.5 LBS Sprocket Weight: 20.7 LBS