2BK50H Light Duty Two Groove QD Sheave for 4L or A, 5L or B Belts. 4.75" O.D. H Style Bushing put a note in the

put a note in the order or give me a call

For #80 Roller Chain

OD: 1-1/8"

1-7/8" UCP-210-30

The bearing has a narrow inner ring and two set screws for attaching to the shaft

2BK50H Light Duty Two Groove QD Sheave for 4L or A, 5L or B Belts. 4.75" O.D. H Style Bushing put a note in theLight Duty QD Sheaves Two Groove Type 2 Uses H Bushing (sold separately) for 4L or A, 5L or B Belts. 2BKH QD Sheaves are precision machined from gray cast iron, statically balanced painted with baked enamel finish and individually packaged. Construction: Solid Dimensions: O. D. : 4. 75 P. D. for 4L or A Belt: 4. 00 P. D. for 5L or B Belt: 4. 40 F: 1 3 4 L: 1 1 4 X: 7 8 G: 7 16 E: 3 16 O. L.: 1 3 4 P: 7 16