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Short Rigid Couplings
Short rigid couplings can be used in applications where space is limited. The short rigid coupling has a reduced torque capability compared to a standard rigid coupling due to its use of a single socket head cap screw per shaft. However, the compact size of the collar reduces inertia making it ideal for motion control applications. Ruland manufactures short rigid couplings in 1215 lead-free steel with a proprietary black oxide finish, 303 stainless steel, and high-strength 2024 aluminum. Bore sizes range from 1/8" to 2" and 6mm to 25mm.
Features Does not mar the shaft
Superior fit, finish and holding power
Excellent for high axial loads
Transmit torque in confined spaces
Step bores available
Additional sizes available
RoHS3 and REACH Compliant
Width tolerance: +.003"/-.010"
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:
MWCL-20-F
MWCL-20-F
As low as
$30.34
$44.50
Ruland MWCL-20-F, 20mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 40mm OD, 31.6mm Width
Download CAD File:
MWCL-20-SS
MWCL-20-SS
As low as
$67.35
$98.78
Ruland MWCL-20-SS, 20mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 40mm OD, 31.6mm Width
Download CAD File:
MWCLK-20-F
MWCLK-20-F
As low as
$36.78
$53.95
Ruland MWCLK-20-F, 20mm Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style with Keyway, 40mm OD, 31.6mm Width
Download CAD File:
MWCLK-20-SS
MWCLK-20-SS
As low as
$87.95
$129.00
Ruland MWCLK-20-SS, 20mm Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style with Keyway, 40mm OD, 31.6mm Width
Download CAD File:
MWSP-20-F
MWSP-20-F
As low as
$48.15
$70.63
Ruland MWSP-20-F, 20mm Double Wide Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 40mm OD, 31.6mm Width
Download CAD File:
MWSP-20-SS
MWSP-20-SS
As low as
$91.67
$134.45
Ruland MWSP-20-SS, 20mm Double Wide Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 40mm OD, 31.6mm Width
Download CAD File:
MWSPK-20-F
MWSPK-20-F
As low as
$61.00
$89.47
Ruland MWSPK-20-F, 20mm Double Wide Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style with Keyway, 40mm OD, 31.6mm Width
Download CAD File:
MWSPK-20-SS
MWSPK-20-SS
As low as
$111.61
$163.69
Ruland MWSPK-20-SS, 20mm Double Wide Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style with Keyway, 40mm OD, 31.6mm Width
WCL-8-6-A
As low as
$22.03
$32.31
Ruland WCL-8-6-A, 0.5000" x 0.3750" Short Rigid Coupling, Aluminum, One-Piece Clamp Style, 1 1/8" OD, 7/8" Length
WCL-8-6-F
As low as
$19.78
$29.01
Ruland WCL-8-6-F, 0.5000" x 0.3750" Short Rigid Coupling, Black Oxide Steel, One-Piece Clamp Style, 1 1/8" OD, 7/8" Length
WCL-8-6-SS
As low as
$52.36
$76.80
Ruland WCL-8-6-SS, 0.5000" x 0.3750" Short Rigid Coupling, 303 Stainless Steel, One-Piece Clamp Style, 1 1/8" OD, 7/8" Length
Download CAD File:
WCL-8-A
WCL-8-A
As low as
$17.51
$25.69
Ruland WCL-8-A, 1/2" Double Wide Shaft Collar, Aluminum, One-Piece Clamp Style, 1 1/8" OD, 7/8" Width
Download CAD File:
WCL-8-F
WCL-8-F
As low as
$14.81
$21.72
Ruland WCL-8-F, 1/2" Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style, 1 1/8" OD, 7/8" Width
Download CAD File:
WCL-8-SS
WCL-8-SS
As low as
$41.71
$61.17
Ruland WCL-8-SS, 1/2" Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style, 1 1/8" OD, 7/8" Width
Download CAD File:
WCLK-8-F
WCLK-8-F
As low as
$18.51
$27.15
Ruland WCL-8-F, 1/2" Double Wide Shaft Collar, Black Oxide Steel, One-Piece Clamp Style With Keyway, 1 1/8" OD, 7/8" Width
Download CAD File:
WCLK-8-SS
WCLK-8-SS
As low as
$53.00
$77.73
Ruland WCL-8-SS, 1/2" Double Wide Shaft Collar, 303 Stainless Steel, One-Piece Clamp Style With Keyway, 1 1/8" OD, 7/8" Width
WSP-8-6-F
As low as
$30.26
$44.38
Ruland WSP-8-6-F, 0.5000" x 0.3750" Short Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 1 1/8" OD, 7/8" Length
WSP-8-6-SS
As low as
$71.41
$104.73
Ruland WSP-8-6-SS, 0.5000" x 0.3750" Short Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 1 1/8" OD, 7/8" Length
Download CAD File:
WSP-8-F
WSP-8-F
As low as
$23.63
$34.66
Ruland WSP-8-F, 1/2" Double Wide Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style, 1 1/8" OD, 7/8" Width
Download CAD File:
WSP-8-SS
WSP-8-SS
As low as
$57.79
$84.76
Ruland WSP-8-SS, 1/2" Double Wide Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style, 1 1/8" OD, 7/8" Width
WSPK-8-6-F
As low as
$43.23
$63.41
Ruland WSPK-8-6-F, 0.5000" x 0.3750" Short Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style with Keyway, 1 1/8" OD, 7/8" Length
WSPK-8-6-SS
As low as
$93.38
$136.95
Ruland WSPK-8-6-SS, 0.5000" x 0.3750" Short Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style with Keyway, 1 1/8" OD, 7/8" Length
Download CAD File:
WSPK-8-F
WSPK-8-F
As low as
$29.52
$43.30
Ruland WSP-8-F, 1/2" Double Wide Shaft Collar, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 1 1/8" OD, 7/8" Width
Download CAD File:
WSPK-8-SS
WSPK-8-SS
As low as
$68.07
$99.83
Ruland WSP-8-SS, 1/2" Double Wide Shaft Collar, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 1 1/8" OD, 7/8" Width
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
MWCL-20-F
20 mm
20 mm
Black Oxide Steel
40 mm
MWCL-20-SS
20 mm
20 mm
303 Stainless Steel
40 mm
MWCLK-20-F
20 mm
20 mm
Black Oxide Steel
40 mm
MWCLK-20-SS
20 mm
20 mm
303 Stainless Steel
40 mm
MWSP-20-F
20 mm
20 mm
Black Oxide Steel
40 mm
MWSP-20-SS
20 mm
20 mm
303 Stainless Steel
40 mm
MWSPK-20-F
20 mm
20 mm
Black Oxide Steel
40 mm
MWSPK-20-SS
20 mm
20 mm
303 Stainless Steel
40 mm
WCL-8-6-A
0.5000 in
0.3750 in
7/8 in
Aluminum
1 1/8 in
WCL-8-6-F
0.5000 in
0.3750 in
7/8 in
Black Oxide Steel
1 1/8 in
WCL-8-6-SS
0.5000 in
0.3750 in
7/8 in
303 Stainless Steel
1 1/8 in
WCL-8-A
0.5000 in
0.5000 in
Aluminum
1 1/8 in
WCL-8-F
0.5000 in
0.5000 in
Black Oxide Steel
1 1/8 in
WCL-8-SS
0.5000 in
0.5000 in
303 Stainless Steel
1 1/8 in
WCLK-8-F
0.5000 in
0.5000 in
Black Oxide Steel
1 1/8 in
WCLK-8-SS
0.5000 in
0.5000 in
303 Stainless Steel
1 1/8 in
WSP-8-6-F
0.5000 in
0.3750 in
7/8 in
Black Oxide Steel
1 1/8 in
WSP-8-6-SS
0.5000 in
0.3750 in
7/8 in
303 Stainless Steel
1 1/8 in
WSP-8-F
0.5000 in
0.5000 in
Black Oxide Steel
1 1/8 in
WSP-8-SS
0.5000 in
0.5000 in
303 Stainless Steel
1 1/8 in
WSPK-8-6-F
0.5000 in
0.3750 in
7/8 in
Black Oxide Steel
1 1/8 in
WSPK-8-6-SS
0.5000 in
0.3750 in
7/8 in
303 Stainless Steel
1 1/8 in
WSPK-8-F
0.5000 in
0.5000 in
Black Oxide Steel
1 1/8 in
WSPK-8-SS
0.5000 in
0.5000 in
303 Stainless Steel
1 1/8 in
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Outer Diameter (OD)
1 1/8 in
Outer Diameter (OD)
40 mm
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