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BKH-Series Pulleys for V-Belts

BKH bushed pulleys are manufactured for A, 4L, B, 5L, AX, BX, AA, and BB belts. BKH pulleys range in diameter from 3.15" to 18.75" but custom ones are also available upon request.
H-Bushings
These pulleys use an H-style bushing, this bushing type has a bore range of 3/8" to 1-1/2" and 10mm to 38mm. We stock a complete line of these bushings as well.


BKH-Series Pulley Size Chart

Size
Outside Diameter
Pitch Diameter (4L/A)
Pitch Diameter (3L)
Type
Dimension (O.L.)
Dimension (F)
Dimension (L)
Dimension (P)
Dimension (C)
Dimension (X)
Dimension (G)
Dimension (E)
Pulley Weight (LBS)
BK30H 3.15" 2.40" 2.80" 1 1-15/16" 7/8" 1-1/4" 7/8" -- 1-5/16" 7/16" 3/16" 1.2
BK32H 3.35" 2.60" 3.00" 1 1-15/16" 7/8" 1-1/4" 7/8" -- 1-5/16" 7/16" 3/16" 1.4
BK34H 3.55" 2.80" 3.20" 1 1-15/16" 7/8" 1-1/4" 7/8" -- 1-5/16" 7/16" 3/16" 1.6
BK36H 3.75" 3.00" 3.40" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 1.2
BK40H 3.95" 3.20" 3.60" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 1.4
BK45H 4.25" 3.50" 3.90" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 1.8
BK47H 4.45" 3.70" 4.10" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.2
BK50H 4.75" 4.00" 4.40" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.0
BK52H 4.95" 4.20" 4.60" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.1
BK55H 5.25" 4.50" 4.90" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.7
BK57H 5.45" 4.70" 5.10" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.7
BK60H 5.75" 5.00" 5.40" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.5
BK62H 5.95" 5.20" 5.60" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.6
BK65H 6.25" 5.50" 5.90" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.8
BK67H 6.45" 5.70" 6.10" 2 1-1/2" 7/8" 1-1/4" 7/16" -- 7/8" 7/16" 3/16" 2.9
BK70H 6.75" 6.00" 6.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 2.8
BK72H 6.95" 6.20" 6.60" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 3.1
BK75H 7.25" 6.50" 6.90" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 3.3
BK77H 7.45" 6.70" 7.10" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 3.8
BK80H 7.75" 7.00" 7.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 3.4
BK85H 8.25" 7.50" 7.90" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 3.8
BK90H 8.75" 8.00" 8.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 4.3
BK95H 9.25" 8.50" 8.90" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 5.0
BK100H 9.75" 9.00" 9.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 5.2
BK105H 10.25" 9.50" 9.90" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 5.5
BK110H 10.75" 10.00" 10.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 6.0
BK115H 11.25" 10.50" 10.90" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 6.4
BK120H 11.75" 11.00" 11.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 6.9
BK130H 12.75" 12.00" 12.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 6.9
BK140H 13.75" 13.00" 13.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 8.5
BK150H 14.75" 14.00" 14.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 9.5
BK160H 15.75" 15.00" 15.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 9.8
BK190H 18.75" 18.00" 18.40" 3 1-9/16" 7/8" 1-1/4" 1/2" 1/16" 7/8" 7/16" 3/16" 12.8

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BK30H Pulley single-groove 3.15 OD BK32H Pulley single-groove 3.35 OD BK34H Pulley single-groove 3.55 OD BK36H Pulley single-groove 3.75 OD
BK45H Pulley single-groove 4.25 OD BK47H Pulley single-groove 4.45 OD BK50H Pulley single-groove 4.75 OD BK57H Pulley single-groove 5.45 OD
BK60H Pulley single-groove 5.75 OD BK62H Pulley single-groove 5.95 OD BK65H Pulley single-groove 6.25 OD BK67H Pulley single-groove 6.45 OD
BK85H Pulley single-groove 8.25 OD BK70H Pulley single-groove 6.75 OD BK90H Pulley single-groove 8.75 OD BK72H Pulley single-groove 6.95 OD
   
 
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