27
V-PULLEYS
FINISHED BORE • BK
BK24
2.40 1.80 2.20 1
13/16
1
1/16
13/32 5/32
0.4
BK25
2.50 1.90 2.30 1
13/16
1
1/16
13/32 5/32
0.5
BK26
2.60 2.00 2.40 1
13/16
1
1/16
13/32 5/32
0.6
BK27
2.70 2.10 2.50 2
13/16
1
1/16
13/32 5/32
0.7
BK28
2.95 2.20 2.60 2
13/16
1
1/16
13/32 5/32
0.8
BK30
3.15 2.40 2.80 2
13/16
1
1/16
13/32 5/32
0.9
BK32
3.35 2.60 3.00 2
13/16
1
1/16
13/32 5/32
1.0
BK34
3.55 2.80 3.20 2
7/8
1
5/32
13/32 1/8
1.3
BK36
3.75 3.00 3.40 2
7/8
1
5/32
13/32 1/8
1.5
BK40
3.95 3.20 3.60 2
7/8
1
5/32
13/32 1/8
1.6
BK45
4.25 3.50 3.90 2
7/8
1
5/32
13/32 1/8
1.8
BK47
4.45 3.70 4.10 2
7/8
1
5/32
13/32 1/8
1.9
BK50
4.75 4.00 4.40 3
7/8
1
5/32
13/32 1/8
2.0
BK52
4.95 4.20 4.60 3
7/8
1
5/32
13/32 1/8
2.1
BK55
5.25 4.50 4.90 3
7/8
1
5/32
13/32 1/8
2.2
BK57
5.45 4.70 5.10 3
7/8
1
5/32
13/32 1/8
2.3
BK60
5.75 5.00 5.40 3
7/8
1
5/32
13/32 1/8
2.4
BK62
5.95 5.20 5.60 3
7/8
1
5/32
13/32 1/8
2.5
BK65
6.25 5.50 5.90 3
7/8
1
5/32
13/32 1/8
2.7
BK67
6.45 5.70 6.10 3
7/8
1
5/32
13/32 1/8
2.8
BK70
6.75 6.00 6.40 3
7/8
1
15/32
21/32* 1/16
3.3
BK72
6.95 6.20 6.60 3
7/8
1
15/32
21/32 1/16
3.9
BK75
7.25 6.50 6.90 3
7/8
1
15/32
21/32 1/16
4.0
BK77
7.45 6.70 7.10 3
7/8
1
15/32
21/32 1/16
4.1
BK80
7.75 7.00 7.40 3
7/8
1
15/32
21/32 1/16
4.4
BK85
8.25 7.50 7.90 3
7/8
1
15/32
21/32 1/16
5.0
BK90
8.75 8.00 8.40 3
7/8
1
15/32
21/32 1/16
5.2
BK95
9.25 8.50 8.90 3
7/8
1
15/32
21/32 1/16
5.4
BK100 9.75 9.00 9.40 3
7/8
1
15/32
21/32 1/16
5.6
BK105 10.25 9.50 9.90 3
7/8
1
15/32
21/32 1/16
5.8
BK110 10.75 10.00 10.40 3
7/8
1
15/32
21/32 1/16
6.4
BK115 11.25 10.50 10.90 3
7/8
1
15/32
21/32 1/16
6.9
BK120 11.75 11.00 11.40 3
7/8
1
15/32
21/32 1/16
7.4
BK130 12.75 12.00 12.40 3
7/8
1
15/32
21/32 1/16
8.4
BK140 13.75 13.00 13.40 3
7/8
1
15/32
21/32 1/16
9.4
BK160 15.75 15.00 15.40 3
7/8
1
15/32
21/32 1/16
12.4
BK190 18.75 18.00 18.40 3
7/8
1
15/32
21/32 1/16
13.4
*P=13/32 and C=1/8 for 1" Bore and smaller
Part
Diameter
Dimensions
Stock Bores
P.D. P.D.
Type
Number
O.D.
A
B
F
L
P
C
1/2
5/8
3/4 7/8 15/16
1 1
1/8
1
3/16
1
1/4
1
3/8
1
7/16
Lbs.
BK SHEAVES
1 GROOVE • A, B, 4L & 5L BELTS
V PULLEYS
TM
®
Wgt.
TYPE 1
TYPE 2
TYPE 3
L
F
O.D.
P.D.
P
C
L
F P
C
L
F P
C
O.D.
P.D.
O.D.
P.D.
