BALDOR
339
Gearmotors and
Gear Products
Motor
Accessories
PT Components
Grinders
Baldor
Mod Express
ABB
Mod Express
Product
Index
Sheaves
For more details and additional products, see complete
Baldor•Maska
®
Product Catalog or www.maskapulleys.com
Features:
Can handle up to 20 HP @ 1750 RPM. Bore range 1/2" to 1-1/2".
1 & 2 grooves, A-B & 4²-5² belts.
Note:
DO NOT use these gray cast iron sheaves with rim speeds in excess of
6500 feet per minute.
Light Duty Bush Type: MBL, 2MBL
MBL
(A-B & 4L-5L V-BELTS)
This entire product series uses the “²” Bushing
1 GROOVE
D.D.
A(4L)
Belts
D.D.
B(5L)
Belts
O.D.
Part No.
Cross
Ref.
LIst
PrIce
Mult.
Sym.
Type
DImensIons*
Approx.
Wt.
(lbs)
E
F
L
M
2.40
2.80
3.15
MBL31
BK30H
21.68
LDS13
1B
17/32
29/32
1 11/32
63/64
1.25
2.60
3.00
3.35
MBL33
BK32H
23.06
LDS13
1B
17/32
29/32
1 11/32
63/64
1.40
2.80
3.20
3.55
MBL35
BK34H
23.10
LDS13
1B
17/32
29/32
1 11/32
63/64
1.65
3.00
3.40
3.75
MBL37
BK36H
23.28
LDS13
3B
3/32
29/32
1 11/32
17/32
1.40
3.20
3.60
3.95
MBL39
BK40H
23.34
LDS13
3B
3/32
29/32
1 11/32
17/32
1.70
3.50
3.90
4.25
MBL42
BK45H
23.84
LDS13
3B
3/32
29/32
1 11/32
17/32
2.05
3.70
4.10
4.45
MBL44
BK47H
24.36
LDS13
3B
3/32
29/32
1 11/32
17/32
2.35
4.00
4.40
4.75
MBL47
BK50H
24.92
LDS13
3W
3/32
29/32
1 11/32
17/32
1.95
4.20
4.60
4.95
MBL49
BK52H
25.44
LDS13
3W
3/32
29/32
1 11/32
17/32
2.40
4.50
4.90
5.25
MBL52
BK55H
25.96
LDS13
3W
3/32
29/32
1 11/32
17/32
2.35
4.70
5.10
5.45
MBL54
BK57H
26.46
LDS13
3W
3/32
29/32
1 11/32
17/32
2.90
5.00
5.40
5.75
MBL57
BK60H
26.76
LDS13
5W
3/32
29/32
1 11/32
17/32
2.45
5.20
5.60
5.95
MBL59
BK62H
28.20
LDS13
5W
3/32
29/32
1 11/32
17/32
2.80
5.50
5.90
6.25
MBL62
BK65H
30.08
LDS13
5W
3/32
29/32
1 11/32
17/32
2.70
5.70
6.10
6.45
MBL64
BK67H
30.96
LDS13
5W
3/32
29/32
1 11/32
17/32
2.80
6.00
6.40
6.75
MBL67
BK70H
32.04
LDS13
5A
3/32
29/32
1 11/32
17/32
3.00
6.20
6.60
6.95
MBL69
BK72H
33.52
LDS13
5A
3/32
29/32
1 11/32
17/32
3.60
6.50
6.90
7.25
MBL72
BK75H
34.92
LDS13
5A
3/32
29/32
1 11/32
17/32
3.45
6.70
7.10
7.45
MBL74
BK77H
35.36
LDS13
5A
3/32
29/32
1 11/32
17/32
3.65
7.00
7.40
7.75
MBL77
BK80H
35.96
LDS13
5A
3/32
29/32
1 11/32
17/32
3.80
7.50
7.90
8.25
MBL82
BK85H
39.92
LDS13
5A
3/32
29/32
1 11/32
17/32
4.55
8.00
8.40
8.75
MBL87
BK90H
42.48
LDS13
5A
3/32
29/32
1 11/32
17/32
5.10
8.50
8.90
9.25
MBL92
BK95H
45.68
LDS13
5A
3/32
29/32
1 11/32
17/32
5.30
9.00
9.40
9.75
MBL97
BK100H
47.44
LDS13
5A
3/32
29/32
1 11/32
17/32
5.80
9.50
9.90
10.25
MBL102
BK105H
48.36
LDS13
5A
3/32
29/32
1 11/32
17/32
5.50
10.00
10.40
10.75
MBL107
BK110H
52.16
LDS13
5A
3/32
29/32
1 11/32
17/32
5.85
10.50
10.90
11.25
MBL112
BK115H
53.80
LDS13
5A
3/32
29/32
1 11/32
17/32
7.20
11.00
11.40
11.75
MBL117
BK120H
57.72
LDS13
5A
3/32
29/32
1 11/32
17/32
6.59
12.00
12.40
12.75
MBL127
BK130H
63.16
LDS13
5A
3/32
29/32
1 11/32
17/32
7.90
13.00
13.40
13.75
MBL137
BK140H
71.64
LDS13
5A
3/32
29/32
1 11/32
17/32
10.15
14.00
14.40
14.75
MBL147
BK150H
77.80
LDS13
5A
3/32
29/32
1 11/32
17/32
13.25
15.00
15.40
15.75
MBL157
BK160H
83.72
LDS13
5A
3/32
29/32
1 11/32
17/32
16.05
18.00
18.40
18.75
MBL187
BK190H
114.52
LDS13
5A
3/32
29/32
1 11/32
17/32
12.45
P.D. for “A” (4L) Belts = Datum.Dia. + 0.35" = O.D. - 0.40"
P.D. for “B” (5L) Belts = O.D.
* Dimensions to closest fraction.
²egend: “E” and “M” dimensions may vary according to shaft tolerance.
With “²” bushing only reverse mounting is possible.
Type of sheave “T”: A = arms; B = block; W = web
TYPE 1
TYPE 3
TYPE 5