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Jaw Coupling Hubs
This section will allow you to select hubs to be used individually or as part of an assembly. Ruland jaw coupling hubs undergo a proprietary machining process to produce a curved jaw profile that press fits with the spider, assuring zero-backlash operation. The curved jaw profile concentrates the forces to the center of the spider’s limbs, improving the effectiveness of the elastomer material. Jaw couplings are considered fail safe because if the spider were to fail, the jaws of the two hubs interlock for direct power transmission, allowing the application to be safely shut down for maintenance.
Features Zero backlash
Balanced design
Replaceable spider
RoHS3 and REACH Compliant
Maximum speed: 8,000 RPM
Bore tolerance:
+.001"/-.000"
+.03mm/-.00mm
Temperature Range:
-10°F to 180°F
-23°C to 82°C
Material
Aluminum hubs are standard
Stainless steel hubs are available upon request
How to Order Complete Coupling: Jaw couplings are an assembly of two hubs and one spider
Hubs: Choose two hubs in inch or metric in any style with the same outside diameter
Spider: Choose spider to match performance criteria. The spider must have the same outside diameter as both hubs.
Each hub and spider is sold separately
Products
Download CAD File:
JC26-10-A
JC26-10-A
As low as
$34.09
$50.00
Ruland JC26-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
Download CAD File:
JC26-12-A
JC26-12-A
As low as
$34.09
$50.00
Ruland JC26-12-A, 3/4" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
Download CAD File:
JC26-6-A
JC26-6-A
As low as
$34.09
$50.00
Ruland JC26-6-A, 3/8" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
Download CAD File:
JC26-8-A
JC26-8-A
As low as
$34.09
$50.00
Ruland JC26-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style, 1.625" OD, 0.710" Length
Download CAD File:
JCC26-10-A
JCC26-10-A
As low as
$42.65
$62.55
Ruland JCC26-10-A, 5/8" Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JCC26-12-A
JCC26-12-A
As low as
$42.65
$62.55
Ruland JCC26-12-A, 3/4" Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JCC26-6-A
JCC26-6-A
As low as
$42.65
$62.55
Ruland JCC26-6-A, 3/8" Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JCC26-8-A
JCC26-8-A
As low as
$42.65
$62.55
Ruland JCC26-8-A, 1/2" Jaw Coupling Hub, Aluminum, Clamp Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JS26-10-A
JS26-10-A
As low as
$27.89
$40.90
Ruland JS26-10-A, 5/8" Jaw Coupling Hub, Aluminum, Set Screw Style, 1.625" OD, 0.710" Length
Download CAD File:
JS26-12-A
JS26-12-A
As low as
$27.89
$40.90
Ruland JS26-12-A, 3/4" Jaw Coupling Hub, Aluminum, Set Screw Style, 1.625" OD, 0.710" Length
Download CAD File:
JS26-6-A
JS26-6-A
As low as
$27.89
$40.90
Ruland JS26-6-A, 3/8" Jaw Coupling Hub, Aluminum, Set Screw Style, 1.625" OD, 0.710" Length
Download CAD File:
JS26-8-A
JS26-8-A
As low as
$27.89
$40.90
Ruland JS26-8-A, 1/2" Jaw Coupling Hub, Aluminum, Set Screw Style, 1.625" OD, 0.710" Length
Download CAD File:
JSC26-10-A
JSC26-10-A
As low as
$36.48
$53.51
Ruland JSC26-10-A, 5/8" Jaw Coupling Hub, Aluminum, Set Screw Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JSC26-12-A
JSC26-12-A
As low as
$36.48
$53.51
Ruland JSC26-12-A, 3/4" Jaw Coupling Hub, Aluminum, Set Screw Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JSC26-6-A
JSC26-6-A
As low as
$36.48
$53.51
Ruland JSC26-6-A, 3/8" Jaw Coupling Hub, Aluminum, Set Screw Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
JSC26-8-A
JSC26-8-A
As low as
$36.48
$53.51
Ruland JSC26-8-A, 1/2" Jaw Coupling Hub, Aluminum, Set Screw Style With Keyway, 1.625" OD, 0.710" Length
Download CAD File:
MJC41-10-A
MJC41-10-A
As low as
$34.09
$50.00
Ruland MJC41-10-A, 10mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-11-A
MJC41-11-A
As low as
$34.09
$50.00
Ruland MJC41-11-A, 11mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-12-A
MJC41-12-A
As low as
$34.09
$50.00
Ruland MJC41-12-A, 12mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-13-A
MJC41-13-A
As low as
$34.09
$50.00
Ruland MJC41-13-A, 13mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-14-A
MJC41-14-A
As low as
$34.09
$50.00
Ruland MJC41-14-A, 14mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-15-A
MJC41-15-A
As low as
$34.09
$50.00
Ruland MJC41-15-A, 15mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-16-A
MJC41-16-A
As low as
$34.09
$50.00
Ruland MJC41-16-A, 16mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Download CAD File:
MJC41-17-A
MJC41-17-A
As low as
$34.09
$50.00
Ruland MJC41-17-A, 17mm Jaw Coupling Hub, Aluminum, Clamp Style, 41.3mm OD, 18.0mm Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
JC26-10-A
0.6250 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JC26-12-A
0.7500 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JC26-6-A
0.3750 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JC26-8-A
0.5000 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JCC26-10-A
0.6250 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JCC26-12-A
0.7500 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JCC26-6-A
0.3750 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JCC26-8-A
0.5000 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JS26-10-A
0.6250 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JS26-12-A
0.7500 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JS26-6-A
0.3750 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JS26-8-A
0.5000 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JSC26-10-A
0.6250 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JSC26-12-A
0.7500 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JSC26-6-A
0.3750 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
JSC26-8-A
0.5000 in
2.086 in
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-10-A
10 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-11-A
11 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-12-A
12 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-13-A
13 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-14-A
14 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-15-A
15 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-16-A
16 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
MJC41-17-A
17 mm
2.086 in (53.0 mm)
Aluminum
1.625 in (41.3 mm)
8,000 RPM
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Outer Diameter (OD)
1.625 in (41.3 mm)
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