BALDOR
Couplings
For more details and additional products, see complete
Baldor•Maska
®
Product Catalog or www.maskapulleys.com
376
Gearmotors and
Gear Products
Motor
Accessories
PT Components
Grinders
Baldor
Mod Express
ABB
Mod Express
Product
Index
Features:
Maska 4-Flex part # are based on industry recognized nomenclature.
4-way flexing action. All types & sizes in cast iron. Precise concentrical product to avoid
run-out and unbalance. No lubrication; smooth, quiet power transmission. Fast & easy
installation; no special tools or accessories required.
How to order FLANGE: Example (fixed bored): 9SX1-9/16
; 9 = 4FLEX Flange size.
S = 4FLEX Flange TYPE. X1-9/16 = Bore size (1 9/16")
Example (bush type): 8B-SH;
8 = 4FLEX Flange size. B = 4FLEX Flange TYPE. SH = QD BUSHING SIZE.
ELEMENT MATERIAL Example: 9JES
= 9 =4FLEX element size. JES = Element
material and construction (EPDM Split - “S” stands for Split)
4-FLEX: Elastomeric Gear Type Couplings
Dimensions
Dimensions
TYPE “J” COUPLING FLANGE
TYPE “S” COUPLING FLANGE
Flange
SIze
LIst
PrIce
Mult.
Sym.
DImensIons (Inches)
**Bore (In)
*Approx.
Wt. (lbs.)
C
D
E
G
H
L
T
X
MIn
Max
3J
7.50
CPL31
51/64
2.062
13/32
3/8
1 1/2
1 31/32
25/64
5/8
3/8
7/8
0.3
4J
9.50
CPL31
55/64
2.460
27/64
5/8
1 5/8
2 11/32
7/16
5/8
1/2
1
0.4
5J
15.00
CPL31
1 3/64
3.250
29/64
3/4
1 7/8
2 27/32
19/32
59/64
1/2
1 1/8
0.9
6J
21.00
CPL31
1 5/16
4.000
9/16
7/8
2 1/2
3 1/2
3/4
1 3/32
5/8
1 3/8
1.2
* Approximate weight for each flange.
**See Baldor•Maska
®
Product Catalog for Stock bores.
Flange SIze
LIst
PrIce
Mult.
Sym.
Type
DImensIons (Inches)
**Bore (In)
*Approx.
Wt.
(lbs.)
C
D
E
G
H
L
T
X
MIn
Max
5S
20.00
CPL31
-
1 11/32
3.250
29/64
23/32
1 7/8
2 13/16
19/32
31/32
1/2
1 1/4
1.1
6S
26.00
CPL31
1
1 5/8
4.000
17/32
7/8
2 1/2
3 1/2
25/32
1 3/32
5/8
1 1/2
1.9
26.00
CPL31
2
1 5/16
4.000
17/32
7/8
2 1/2
3 1/2
25/32
1 3/32
1 5/8
1 3/4
1.8
26.00
CPL31
3
1 9/16
4.000
25/32
7/8
2 13/16
4
25/32
1 3/32
1 7/8
1 7/8
1.8
7S
30.00
CPL31
-
1 27/32
4.625
11/16
1
2 13/16
3 15/16
25/32
1 5/16
5/8
1 7/8
2.6
8S
40.00
CPL31
1
2 3/32
5.450
3/4
1 1/8
3 1/4
4 7/16
29/32
1 1/2
3/4
2 1/8
4.4
40.00
CPL31
2
1 15/16
5.450
1 1/32
1 1/8
3 1/4
5
29/32
1 1/2
2 3/8
2 3/8
3.7
9S
60.00
CPL31
1
2 13/32
6.350
25/32
1 7/16
3 7/8
5 1/16
1 1/32
1 3/4
7/8
2 1/2
6.8
60.00
CPL31
2
2 9/32
6.350
1 1/4
1 7/16
4 1/8
6
1 1/32
1 3/4
2 7/8
2 7/8
6.2
10S
80.00
CPL31
1
2 23/32
7.500
13/16
1 5/8
4 3/8
5 11/16
1 7/32
2
1 1/8
2 7/8
10.5
80.00
CPL31
2
2 11/16
7.500
1 15/32
1 5/8
4 3/4
7
1 7/32
2
3 3/8
3 3/8
9.8
11S
128.00
CPL31
1
3 7/16
8.625
1 1/8
1 7/8
5 1/4
7 1/8
1 1/2
2 3/8
1 1/4
3 7/8
16.6
12S
156.00
CPL31
-
4
10.000
1 9/32
2 5/16
5 3/4
8 1/4
1 11/16
2 11/16
1 1/2
3 7/8
26.6
13S
220.00
CPL31
-
4 3/8
11.750
1 5/16
2 11/16
6 3/4
9 1/4
1 31/32
3 1/16
2
3 15/16
45.2
*
Approximate weight for each flange
** See Baldor•Maska
®
Product Catalog List Price for Stock bores
***Metric bores available see Baldor•Maska® Product Catalog
All finished bores come with 2 set screws.