Powermach finished bore “3V 5V 8V” gripbelt sheaves are machined from top quality fine-grain gray iron  castings. They are accurately machined and balanced. They are furnished with standard keyseats and hollow head setscrews.

Finished Bore “3V 5V 8V” Gripbelt Sheaves
Specifications—Stock “3V” Sheaves

DIAMETERSPart
No.
TypeDIMENSIONSStock Bores Marked “X”Wt.
Lbs.
Pitch
“3V”
Out-
side
In-
side
FHLPC5/8″3/4″7/8″1″1
1/8″
1
3/8″
1 Groove               
2.60″2.65″—1 F3V26F11/16″1 9/16″15/16″27/64″11/64″××————0.70
2.752.80—1 F3V28F11/161 9/1615/1627/6411/64××————0.80
2.953.00—1 F3V30F11/161 9/1615/1627/6411/64—××———0.80
3.103.15—1 F3V31F11/161 9/1615/1627/6411/64——×———0.80
3.303.35—1 F3V33F11/161 9/1615/1627/6411/64——×———1.00
2 Grooves               
2.60″2.65″—2 F3V26F1 3/32″1 7/8″1 3/8″15/32″3/16″—×××——1.30
2.752.80—2 F3V28F1 3/321 7/81 3/815/323/16—×××——1.40
2.953.00—2 F3V30F1 3/321 7/81 3/815/323/16——××——1.40
3.103.15—2 F3V31F1 3/321 7/81 3/815/323/16——×××—1.60
3.303.35—2 F3V33F1 3/321 7/81 3/815/323/16——×××—1.90
3 Grooves               
2.60″2.65″—3 F3V26F1 1/2″1 7/8″1 23/32″15/32″1/4″——×××—1.50
2.752.80—3 F3V28F1 1/21 7/81 23/3215/321/4——×××—1.70
2.953.00—3 F3V30F1 1/21 7/81 23/3215/321/4———××—1.90
3.103.15—3 F3V31F1 1/21 7/81 23/3215/321/4———××—2.10
3.303.35—3 F3V33F1 1/21 7/81 23/3215/321/4———××—2.50
4 Grooves               
2.60″2.65″—4 F3V26F1 29/32″2 3/16″2 1/8″15/32″1/4″——×××—1.90
2.752.80—4 F3V28F1 29/322 3/162 1/815/321/4——×××—2.40
2.953.00—4 F3V30F1 29/322 3/162 1/815/321/4———×××2.50
3.103.15—4 F3V31F1 29/322 3/162 1/815/321/4———×××2.80
3.303.35—4 F3V33F1 29/322 3/162 1/815/321/4———×××3.40