Home > Power Transmission > V-Belt Pulleys > B-Section Pulleys > BK-Series Pulleys
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BK24 Pulley BK25 Pulley BK26 Pulley BK27 Pulley BK28 Pulley
BK30 Pulley BK32 Pulley BK34 Pulley BK36 Pulley BK40 Pulley
BK45 Pulley BK47 Pulley BK50 Pulley BK52 Pulley BK55 Pulley
BK57 Pulley BK60 Pulley BK62 Pulley BK65 Pulley BK67 Pulley
BK70 Pulley BK72 Pulley BK75 Pulley BK77 Pulley BK80 Pulley
BK85 Pulley BK90 Pulley BK95 Pulley BK100 Pulley BK105 Pulley
BK110 Pulley BK115 Pulley BK120 Pulley BK130 Pulley BK140 Pulley
BK160 Pulley BK190 Pulley

BK-Series Pulleys for V-Belts

BK pulleys are manufactured for B-series v-belts, BX v-belts, 5L belts, as well as A-Series v-belts. BK pulleys range in diameter from 2.40" to 18.25" but custom ones are also available upon request.

BK-Series Pulley Size Chart

Size
Outside Diameter
Pitch Diameter (4L/A)
Pitch Diameter (5L/B)
Type
Dimension (F)
Dimension (L)
Dimension (P)
Dimension (C)
Pulley Weight
BK24 2.40" 1.80" 2.20" 1 13/16" 1-1/16" 13/32" 5/32" 0.4 LBS
BK25 2.50" 1.90" 2.30" 1 13/16" 1-1/16" 13/32" 5/32" 0.5 LBS
BK26 2.60" 2.00" 2.40" 1 13/16" 1-1/16" 13/32" 5/32" 0.6 LBS
BK27 2.70"
2.10" 2.50" 2 13/16" 1-1/16" 13/32" 5/32" 0.6 LBS
BK28 2.95" 2.20" 2.60" 2 13/16" 1-1/16" 13/32" 5/32" 0.8 LBS
BK30 3.15" 2.40" 2.80" 2 13/16" 1-1/16" 13/32" 5/32" 0.8 LBS
BK32 3.35" 2.60" 3.00" 2 13/16" 1-1/16" 13/32" 5/32" 0.8 LBS
BK34 3.55" 2.80" 3.20" 2 7/8" 1-5/32" 13/32" 1/8" 1.3 LBS
BK36 3.75" 3.00" 3.40" 2 7/8" 1-5/32" 13/32" 1/8" 1.5 LBS
BK40 3.95" 3.20" 3.60" 2 7/8" 1-5/32" 13/32" 1/8" 1.5 LBS
BK45 4.25" 3.50" 3.90" 2 7/8" 1-5/32" 13/32" 1/8" 1.8 LBS
BK47 4.45" 3.70" 4.10" 2 7/8" 1-5/32" 13/32" 1/8" 1.9 LBS
BK50 4.75" 4.00" 4.40" 3 7/8" 1-5/32" 13/32" 1/8" 2.0 LBS
BK52 4.95" 4.20" 4.60" 3 7/8" 1-5/32" 13/32" 1/8" 2.0 LBS
BK55 5.25" 4.50" 4.90" 3 7/8" 1-5/32" 13/32" 1/8" 2.2 LBS
BK57 5.45" 4.70" 5.10" 3 7/8" 1-5/32" 13/32" 1/8" 2.3 LBS
BK60 5.75" 5.00" 5.40" 3 7/8" 1-5/32" 13/32" 1/8" 2.3 LBS
BK62 5.95" 5.20" 5.60" 3 7/8" 1-5/32" 13/32" 1/8" 2.4 LBS
BK65 6.25" 5.50" 5.90" 3 7/8" 1-5/32" 13/32" 1/8" 2.7 LBS
BK67 6.45" 5.70" 6.10" 3 7/8" 1-5/32" 13/32" 1/8" 2.8 LBS
BK70 6.75" 6.00" 6.40" 3 7/8" 1-15/32" 21/32" 1/16" 3.3 LBS
BK72 6.95" 6.20" 6.60" 3 7/8" 1-15/32" 21/32" 1/16" 3.9 LBS
BK75 7.25" 6.50" 6.90" 3 7/8" 1-15/32" 21/32" 1/16" 3.9 LBS
BK77 7.45" 6.70" 7.10" 3 7/8" 1-15/32" 21/32" 1/16" 4.1 LBS
BK80 7.75" 7.00" 7.40" 3 7/8" 1-15/32" 21/32" 1/16" 4.4 LBS
BK85 8.25" 7.50" 7.90" 3 7/8" 1-15/32" 21/32" 1/16" 5.0 LBS
BK90 8.75" 8.00" 8.40" 3 7/8" 1-15/32" 21/32" 1/16" 5.0 LBS
BK95 9.25" 8.50" 8.90" 3 7/8" 1-15/32" 21/32" 1/16" 5.4 LBS
BK100 9.75" 9.00" 9.40" 3 7/8" 1-15/32" 21/32" 1/16" 5.6 LBS
BK105 10.25" 9.50" 9.90" 3 7/8" 1-15/32" 21/32" 1/16" 5.8 LBS
BK110 10.75" 10.00" 10.40" 3 7/8" 1-15/32" 21/32" 1/16" 6.4 LBS
BK115 11.25" 10.50" 10.90" 3 7/8" 1-15/32" 21/32" 1/16" 6.9 LBS
BK120 11.75" 11.00" 11.40" 3 7/8" 1-15/32" 21/32" 1/16" 7.4 LBS
BK130 12.75" 12.00" 12.40" 3 7/8" 1-15/32" 21/32" 1/16" 8.4 LBS
BK140 13.75" 13.00" 13.40" 3 7/8" 1-15/32" 21/32" 1/16" 9.4 LBS
BK160 15.75" 15.00" 15.40" 3 7/8" 1-15/32" 21/32" 1/16" 11.4 LBS
BK190 18.75" 18.00" 18.40" 3 7/8" 1-15/32" 21/32" 1/16" 13.4 LBS