MB45X1-1/8, BK47-1-1/8, Transmission Pulley; 1-1/8" Bore; 1 Groove; 4.45" Outside Diameter; Finished Bore; 4L | A | 5L | B Belt Series; 3.7" Pitch Minimum; 4.1" Pitch Maximum; Keyway

MB45X1-1/8, BK47-1-1/8, Transmission Pulley; 1-1/8" Bore; 1 Groove; 4.45" Outside Diameter; Finished Bore; 4L | A | 5L | B Belt Series; 3.7" Pitch Minimum; 4.1" Pitch Maximum; Keyway

KEY FEATURES

• Model: MB45X1-1/8

• Noun: Pulley (Transmission Sheave)

• Belt Series: 4L | A | 5L | B

• Number of Grooves: 1

• Mounting Method: Finished Bore

• Bore Size: 1-1/8''

• Outside Diameter: 4.45''

• Pitch Diameter Range: 3.7'' – 4.1''

• Belt Width Range: 0.5'' – 0.656''

• Keyway: Yes

• Bushing Size: No Bushing (Fixed Bore)

• Construction: Web Style Cast Iron (Fixed Pitch)

• Weight: 2 lbs (1.044 kg)

• Units: Inch

• Application: Medium-duty power transmission

• Groove Profile: Compatible with 4L, A, 5L, and B belts