FHP BELTS & SHEAVES

CARLISLE DURAPOWER FHP
SINGLE GROOVE
BORED-TO-SIZE SHEAVES
• RUGGED CAST IRON CONSTRUCTION
• POPULAR BORE SIZES IN STOCK
• MEETS INDUSTRY STANDARDS
• EFFICIENT, ECONOMICAL and LIGHTWEIGHT
Carlisle's line of Light Duty (FHP) Bored-to-Size sheaves are available in one and two groove configurations for 3L, 4L (A) and
5L (B) belts. Made of high-strength cast iron, they combine maximum strength, precision balance and smooth operation with
an economical drive system.
DIMENSIONS (in inches)
Sheave DATUM DIA. O.D. Max. Dimensions Wt.
No. 3L (O) 4L (A) Stock Bores Bore Type E F L Lbs.
AK15 — 1.3 1.6 1/2, 5/8 5/8 1 7/16 11/16 1-1/8 0.3
AK17 — 1.5 1.8 1/2, 5/8, 3/4 3/4 1 7/16 11/16 1-1/8 0.5
AK19 — 1.7 2.0 1/2, 5/8, 3/4, 7/8 7/8 1 7/16 11/16 1-1/8 0.5
AK20 1.5 1.8 2.1 1/2, 5/8, 3/4 3/4 1 7/16 11/16 1-1/8 0.5
AK21 1.6 1.9 2.2 1/2, 5/8, 3/4 3/4 1 7/16 11/16 1-1/8 0.7
AK22 1.7 2.0 2.3 1/2, 5/8, 3/4, 7/8, 1 1 1 7/16 11/16 1-1/8 0.8
AK23 1.8 2.1 2.4 1/2, 5/8, 3/4 3/4 1 7/16 11/16 1-1/8 0.8
AK24 1.9 2.2 2.5 1/2, 5/8, 3/4, 7/8, 1 1 1 7/16 11/16 1-1/8 0.9
AK25 2.0 2.3 2.6 1/2, 5/8, 3/4, 7/8 7/8 1 7/16 11/16 1-1/8 0.9
AK26 2.1 2.4 2.7 1/2, 5/8, 3/4, 7/8 7/8 1 7/16 11/16 1-1/8 1.0
AK27 2.2 2.5 2.8 1/2, 5/8, 3/4, 7/8, 1 1 1 7/16 11/16 1-1/8 1.0
AK28 2.3 2.6 2.9 1/2, 5/8, 3/4, 7/8 7/8 1 7/16 11/16 1-1/8 1.1
AK30 2.5 2.8 3.1 1/2, 5/8, 3/4, 7/8, 1 1 1 7/16 11/16 1-1/8 1.2
AK32 2.7 3.0 3.3 1/2, 5/8, 3/4, 7/8, 15/16, 1 1 1 7/16 11/16 1-1/8 1.4
AK34 2.9 3.2 3.5 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 — 7/16 11/16 1-1/8 1.6
AK39 3.2 3.5 3.8 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 1 7/16 11/16 1-1/8 2.0
AK41 3.4 3.7 4.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 1 7/16 11/16 1-1/8 2.0
AK44 3.7 4.0 4.3 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 2 7/16 11/16 29/32 1.8
AK46 3.9 4.2 4.5 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 2 7/16 11/16 29/32 1.9
AK49 4.2 4.5 4.8 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 2 7/16 11/16 29/32 1.9
AK51 4.4 4.7 5.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8 1-1/8 2 7/16 11/16 29/32 2.8
AK54 4.7 5.0 5.3 1/2, 5/8, 3/4, 7/8, 15/16, 1-3/16 1-3/16 3 7/16 11/16 1-1/8 2.4
AK56 4.9 5.2 5.5 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/16 1-3/16 3 7/16 11/16 1-1/8 2.4
AK59 5.2 5.5 5.8 1/2, 5/8, 3/4, 7/8, 1 1 3 7/16 11/16 1-1/8 2.6
AK61 5.4 5.7 6.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/16 1-3/16 3 7/16 11/16 1-1/8 2.8
AK64 5.7 6.0 6.3 1/2, 5/8, 3/4, 1 1 3 7/16 11/16 1-1/8 2.9
AK66 5.9 6.2 6.5 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1- 3/16 1-3/16 3 7/16 11/16 1-1/8 3.0
AK69 6.2 6.5 6.8 1/2, 5/8, 3/4, 1 1 3 7/16 11/16 1-1/8 3.1
AK71 6.4 6.7 7.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/16, 1-1/4 1-1/4 3 7/16 11/16 1-1/8 3.1
AK74 6.7 7.0 7.3 3/4, 1 1 3 7/16 11/16 1-1/8 3.0
AK79 7.2 7.5 7.8 3/4, 1 1 3 7/16 11/16 1-1/8 3.5
AK81 7.4 7.7 8.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/16, 1-1/4 1-1/4 3 7/16 11/16 1-1/8 4.0
AK84 7.7 8.0 8.3 3/4, 1 1 3 7/16 11/16 1-1/8 4.3
AK89 8.2 8.5 8.8 5/8, 3/4, 1 1 3 7/16 11/16 1-1/8 4.6
AK91 8.4 8.7 9.0 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-3/16, 1-1/4 1-1/4 3 7/16 11/16 1-1/8 4.8
AK94 8.7 9.0 9.3 3/4, 1 1 3 7/16 11/16 1-1/8 5.0
AK99 9.2 9.5 9.8 5/8, 3/4, 1 1 3 7/16 11/16 1-1/8 5.2
AK104 9.7 10.0 10.3 5/8, 3/4 3/4 3 7/16 11/16 1-1/8 5.6
AK109 10.2 10.5 10.8 3/4, 1, 1-1/8 1-1/8 3 7/16 11/16 1-1/8 6.0
AK114 10.7 11.0 11.3 3/4, 1, 1-1/8 1-1/8 3 7/16 11/16 1-1/8 6.9
AK124 11.7 12.0 12.3 5/8, 3/4, 1, 1-3/16 1-3/16 3 7/16 11/16 1-1/8 7.9
AK134 12.7 13.0 13.3 3/4, 7/8, 1 1 3 7/16 11/16 1-1/8 8.9
AK141 13.4 13.7 14.0 5/8, 3/4, 1, 1-1/8, 1-3/16 1-3/16 3 7/16 11/16 1-1/8 9.9
AK144 13.7 14.0 14.3 3/4, 1, 1-1/8 1-1/8 3 7/16 11/16 1-1/8 10.9
AK154 14.7 15.0 15.3 3/4, 1, 1-1/8 1-1/8 3 7/16 11/16 1-1/8 11.5
AK184 17.7 18.0 18.3 3/4, 1 1 3 7/16 11/16 1-1/8 13.5
F
O.D.
F
O.D.
Type 1
Type 2
F E
O.D.
E
L
E
L
L
P.D. for A same as O.D.
Dimensions are for reference only.
Note: Sheaves with 1'' bores and larger are
furnished with two 5/16'' setscrews.
Sheaves with bores smaller than 1''
are furnished with one 5/16'' setscrew.
STANDARD KEYSEAT
DIMENSIONS
Shaft Dia. Width Depth
1/2 No Keyseat
5/8, 7/8 3/16 3/32
1-5/16, 1-1/4 1/4 1/8
1-5/16, 1-3/8 5/16 5/32
1-7/16, 1-3/4 3/8 3/16
Type 3