BK45-7/8" ID 7/8" ( 0.875" ) Bore Cast iron Pulley - 4.25" OD for V-belts 4L, 5L (BK4578) Inner Diameter - 66.7mm 6306ZZC4 Dimensions Inch: 1

6306ZZC4 Dimensions Inch: 1

m d D W 15mm 35mm 11mm 13

✅ Bore inner diameter: 1-1/8 in

2 7/16" x 4 23/32" x 2 17/64" inch

Dimensions (mm) SL014926 d D B 130 180 50

BK45-7/8" ID 7/8" ( 0.875" ) Bore Cast iron Pulley - 4.25" OD for V-belts 4L, 5L (BK4578) Inner Diameter - 66.7mm 6306ZZC4 Dimensions Inch: 11 Groove BK45 7 8" ID 7 8" ( 0. 875" ) Bore cast iron Solid Pulley with 4. 25" inch OD for V belts size 5L (BK4578) BK Finished Bore Sheaves for (4L or A or 5L or B Belts) BK Sheaves are accurately machined from fine grained cast iron, statically balanced, They are furbished with Standard Keyseats and Hollow Head Setscrews The V Belts you that can run in this pulley are 4L, or A or 5L, B, V Belts. The belt series most common for this pulley is the 4L