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One-Piece Rigid Couplings
One-piece rigid couplings from Ruland do not mar the shaft and have high torsional holding power. They are supplied with proprietary Nypatch® anti-vibration coating, which allows for repeated installations, prevents screws from coming loose during operation, and provides the necessary dissimilar material in stainless steel couplings to reduce galling. Straight bore rigid couplings from Ruland are precision honed to ensure bores are collinear. This is important when the rigid coupling is used in a precision servo system as honing allows for greater surface contact with the shaft and higher torque transmission capabilities. Ruland manufactures one-piece rigid couplings in 1215 lead-free steel with a proprietary black oxide finish, 303 stainless steel, and lightweight 2024 aluminum.
Features Precision honed bores
Does not mar the shaft
Nypatch® Anti-vibration hardware
Additional Step Bores available
RoHS3 and REACH Compliant
Maximum speed: 4,000 RPM
Temperature Range (Deg. F)Steel:
-40° to 350°
Aluminum:
-40° to 225°
Stainless:
-40° to 350°
How to Specify Part numbers are in the following format with numbers representing sixteenths of an inch or millimeters:
Products
Download CAD File:
MCLX-1 1/2\"-35MM-F
MCLX-1 1/2"-35MM-F
As low as
$130.05
$190.74
Ruland MCLX-1 1/2"-35MM-F, 1-1/2" x 35mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 2.638" (67mm) OD, 3.740" (95mm) Length
Download CAD File:
MCLX-1 1/2\"-35MM-SS
MCLX-1 1/2"-35MM-SS
As low as
$334.68
$490.87
Ruland MCLX-1 1/2"-35MM-SS, 1-1/2" x 35mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 2.638" (67mm) OD, 3.740" (95mm) Length
Download CAD File:
MCLX-1 1/4\"-25MM-F
MCLX-1 1/4"-25MM-F
As low as
$104.41
$153.14
Ruland MCLX-1 1/4"-25MM-F, 1-1/4" x 25mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MCLX-1 1/4\"-25MM-SS
MCLX-1 1/4"-25MM-SS
As low as
$267.88
$392.88
Ruland MCLX-1 1/4"-25MM-SS, 1-1/4" x 25mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MCLX-1 1/4\"-30MM-F
MCLX-1 1/4"-30MM-F
As low as
$104.41
$153.14
Ruland MCLX-1 1/4"-30MM-F, 1-1/4" x 30mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 2.087" (53mm) OD, 3.268" (83mm) Length
Download CAD File:
MCLX-1 1/4\"-30MM-SS
MCLX-1 1/4"-30MM-SS
As low as
$267.88
$392.88
Ruland MCLX-1 1/4"-30MM-SS, 1-1/4" x 30mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 2.087" (53mm) OD, 3.268" (83mm) Length
Download CAD File:
MCLX-1\"-20MM-F
MCLX-1"-20MM-F
As low as
$77.76
$114.04
Ruland MCLX-1"-20MM-F, 1" x 20mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.654" (42mm) OD, 2.559" (65mm) Length
Download CAD File:
MCLX-1\"-20MM-SS
MCLX-1"-20MM-SS
As low as
$176.48
$258.84
Ruland MCLX-1"-20MM-SS, 1" x 20mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.654" (42mm) OD, 2.559" (65mm) Length
Download CAD File:
MCLX-1\"-25MM-F
MCLX-1"-25MM-F
As low as
$77.76
$114.04
Ruland MCLX-1"-25MM-F, 1" x 25mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MCLX-1\"-25MM-SS
MCLX-1"-25MM-SS
As low as
$176.48
$258.84
Ruland MCLX-1"-25MM-SS, 1" x 25mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MCLX-1/2\"-10MM-F
MCLX-1/2"-10MM-F
As low as
$47.97
$70.36
Ruland MCLX-1/2"-10MM-F, 1/2" x 10mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-1/2\"-10MM-SS
MCLX-1/2"-10MM-SS
As low as
$92.06
$135.02
Ruland MCLX-1/2"-10MM-SS, 1/2" x 10mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-1/2\"-8MM-A
MCLX-1/2"-8MM-A
As low as
$49.83
$73.09
Ruland MCLX-1/2"-8MM-A, 1/2" x 8mm Rigid Coupling, Aluminum, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-1/2\"-8MM-F
MCLX-1/2"-8MM-F
As low as
$47.97
$70.36
Ruland MCLX-1/2"-8MM-F, 1/2" x 8mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-1/2\"-8MM-SS
MCLX-1/2"-8MM-SS
As low as
$92.06
$135.02
Ruland MCLX-1/2"-8MM-SS, 1/2" x 8mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-1/4\"-5MM-A
MCLX-1/4"-5MM-A
As low as
$33.28
$48.81
Ruland MCLX-1/4"-5MM-A, 1/4" x 5mm Rigid Coupling, Aluminum, One-Piece Clamp Style, 0.591" (15mm) OD, 0.866" (22mm) Length
Download CAD File:
MCLX-1/4\"-5MM-F
MCLX-1/4"-5MM-F
As low as
$32.86
$48.20
Ruland MCLX-1/4"-5MM-F, 1/4" x 5mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 0.591" (15mm) OD, 0.866" (22mm) Length
Download CAD File:
MCLX-1/4\"-5MM-SS
MCLX-1/4"-5MM-SS
As low as
$59.16
$86.76
Ruland MCLX-1/4"-5MM-SS, 1/4" x 5mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 0.591" (15mm) OD, 0.866" (22mm) Length
Download CAD File:
MCLX-1/4\"-6MM-A
MCLX-1/4"-6MM-A
As low as
$33.28
$48.81
Ruland MCLX-1/4"-6MM-A, 1/4" x 6mm Rigid Coupling, Aluminum, One-Piece Clamp Style, 0.709" (18mm) OD, 1.181" (30mm) Length
Download CAD File:
MCLX-1/4\"-6MM-F
MCLX-1/4"-6MM-F
As low as
$32.86
$48.20
Ruland MCLX-1/4"-6MM-F, 1/4" x 6mm Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 0.709" (18mm) OD, 1.181" (30mm) Length
Download CAD File:
MCLX-1/4\"-6MM-SS
MCLX-1/4"-6MM-SS
As low as
$59.16
$86.76
Ruland MCLX-1/4"-6MM-SS, 1/4" x 6mm Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 0.709" (18mm) OD, 1.181" (30mm) Length
Download CAD File:
MCLX-10MM-3/8\"-A
MCLX-10MM-3/8"-A
As low as
$49.83
$73.09
Ruland MCLX-10MM-3/8"-A, 10mm x 3/8" Rigid Coupling, Aluminum, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-10MM-3/8\"-F
MCLX-10MM-3/8"-F
As low as
$51.17
$75.04
Ruland MCLX-10MM-3/8"-F, 10mm x 3/8" Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Download CAD File:
MCLX-10MM-3/8\"-SS
MCLX-10MM-3/8"-SS
As low as
$92.06
$135.02
Ruland MCLX-10MM-3/8"-SS, 10mm x 3/8" Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1.142" (29mm) OD, 1.772" (45mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
MCLX-1 1/2"-35MM-F
1.5000 in
35 mm
3.740 in (95.0 mm)
Black Oxide Steel
2.638 in (67 mm)
4,000 RPM
MCLX-1 1/2"-35MM-SS
1.5000 in
35 mm
3.740 in (95.0 mm)
303 Stainless Steel
2.638 in (67 mm)
4,000 RPM
MCLX-1 1/4"-25MM-F
1.2500 in
25 mm
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MCLX-1 1/4"-25MM-SS
1.2500 in
25 mm
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MCLX-1 1/4"-30MM-F
1.2500 in
30 mm
3.268 in (83.0 mm)
Black Oxide Steel
2.087 in (53 mm)
4,000 RPM
MCLX-1 1/4"-30MM-SS
1.2500 in
30 mm
3.268 in (83.0 mm)
303 Stainless Steel
2.087 in (53 mm)
4,000 RPM
MCLX-1"-20MM-F
1.0000 in
20 mm
2.559 in (65.0 mm)
Black Oxide Steel
1.654 in (42 mm)
4,000 RPM
MCLX-1"-20MM-SS
1.0000 in
20 mm
2.559 in (65.0 mm)
303 Stainless Steel
1.654 in (42 mm)
4,000 RPM
MCLX-1"-25MM-F
1.0000 in
25 mm
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MCLX-1"-25MM-SS
1.0000 in
25 mm
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MCLX-1/2"-10MM-F
0.5000 in
10 mm
1.772 in (45.0 mm)
Black Oxide Steel
1.142 in (29 mm)
4,000 RPM
MCLX-1/2"-10MM-SS
0.5000 in
10 mm
1.772 in (45.0 mm)
303 Stainless Steel
1.142 in (29 mm)
4,000 RPM
MCLX-1/2"-8MM-A
0.5000 in
8 mm
1.772 in (45.0 mm)
Aluminum
1.142 in (29 mm)
4,000 RPM
MCLX-1/2"-8MM-F
0.5000 in
8 mm
1.772 in (45.0 mm)
Black Oxide Steel
1.142 in (29 mm)
4,000 RPM
MCLX-1/2"-8MM-SS
0.5000 in
8 mm
1.772 in (45.0 mm)
303 Stainless Steel
1.142 in (29 mm)
4,000 RPM
MCLX-1/4"-5MM-A
0.2500 in
5 mm
0.866 in (22.0 mm)
Aluminum
0.590 in (15.0 mm)
4,000 RPM
MCLX-1/4"-5MM-F
0.2500 in
5 mm
0.866 in (22.0 mm)
Black Oxide Steel
0.590 in (15.0 mm)
4,000 RPM
MCLX-1/4"-5MM-SS
0.2500 in
5 mm
0.866 in (22.0 mm)
303 Stainless Steel
0.590 in (15.0 mm)
4,000 RPM
MCLX-1/4"-6MM-A
0.2500 in
6 mm
1.181 in (30.0 mm)
Aluminum
0.709 in (18 mm)
4,000 RPM
MCLX-1/4"-6MM-F
0.2500 in
6 mm
1.181 in (30.0 mm)
Black Oxide Steel
0.709 in (18 mm)
4,000 RPM
MCLX-1/4"-6MM-SS
0.2500 in
6 mm
1.181 in (30.0 mm)
303 Stainless Steel
0.709 in (18 mm)
4,000 RPM
MCLX-10MM-3/8"-A
10 mm
0.3750 in
1.772 in (45.0 mm)
Aluminum
1.142 in (29 mm)
4,000 RPM
MCLX-10MM-3/8"-F
10 mm
0.3750 in
1.772 in (45.0 mm)
Black Oxide Steel
1.142 in (29 mm)
4,000 RPM
MCLX-10MM-3/8"-SS
10 mm
0.3750 in
1.772 in (45.0 mm)
303 Stainless Steel
1.142 in (29 mm)
4,000 RPM
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