Transmission Pulley; 1 Grooves; 18-3/4" Outside Diameter; Bushed; H Bushing Series; 4L | A | 5L | B Belt Series; 18" Pitch Minimum; 18.4" Pitch Maximum; 3/8 To 1-1/2" Bushing Bore Range; Keyway

Roller Chain Sprocket; Shear Pin Hub; Model SHR1; Chain 100; 48 Tooth; 19.82" Outside Diameter; 19.112" Pitch Diameter

2 Grooves; 20.35" Outside Diameter; Bushed; Q1 Bushing Series; A | B Belt Series; 19-1/2" Pitch Minimum; 20" Pitch Maximum; 3/4 To 2-11/16" Bushing Bore Range; Keyway

Pillow Block Bearing; 2 Bolt Pillow Block; 1-11/16" Bore; 2-1/8" Base to Center Height; Set Screw Mount; Ball Bearing; Relubricatable; Cast Iron; Non-Expansion

1/2" Bore; 1 Grooves; 3-1/4" Outside Diameter; Finished Bore; No Bushing; 3L | 4L | A Belt Series; 2.66" Pitch Minimum; 3" Pitch Maximum; No Keyway