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Two-Piece Rigid Couplings
Two-piece rigid couplings have the same benefits as one-piece style with the added advantages of being serviced in-place, opposing hardware for a balanced design and step bores with keyways. 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 two-piece rigid couplings in 1215 lead-free steel with a proprietary black oxide finish and 303 stainless steel.
Features 3-piece styles available
Precision honed bore on straight bore couplings
Does not mar the shaft
Nypatch® anti-vibration hardware
Additional step bores available
Opposing hardware on 2-piece styles
RoHS3 and REACH Compliant
Maximum speed: 4,000 RPM
Temperature Range (Deg. F)Steel:
-40° to 350°
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:
MSPC-1 1/4\"-25MM-F
MSPC-1 1/4"-25MM-F
As low as
$180.51
$264.75
Ruland MSPC-1 1/4"-25MM-F, 1-1/4" x 25mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-1 1/4\"-25MM-SS
MSPC-1 1/4"-25MM-SS
As low as
$402.24
$589.95
Ruland MSPC-1 1/4"-25MM-SS, 1-1/4" x 25mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-1\"-25MM-F
MSPC-1"-25MM-F
As low as
$130.64
$191.60
Ruland MSPC-1"-25MM-F, 1" x 25mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-1\"-25MM-SS
MSPC-1"-25MM-SS
As low as
$267.51
$392.34
Ruland MSPC-1"-25MM-SS, 1" x 25mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-25MM-3/4\"-F
MSPC-25MM-3/4"-F
As low as
$155.61
$228.23
Ruland MSPC-25MM-3/4"-F, 25mm x 3/4" Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-25MM-3/4\"-SS
MSPC-25MM-3/4"-SS
As low as
$310.91
$455.99
Ruland MSPC-25MM-3/4"-SS, 25mm x 3/4" Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-25MM-5/8\"-F
MSPC-25MM-5/8"-F
As low as
$155.61
$228.23
Ruland MSPC-25MM-5/8"-F, 25mm x 5/8" Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-25MM-5/8\"-SS
MSPC-25MM-5/8"-SS
As low as
$310.91
$455.99
Ruland MSPC-25MM-5/8"-SS, 25mm x 5/8" Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPC-3/8\"-8MM-F
MSPC-3/8"-8MM-F
As low as
$78.40
$114.99
Ruland MSPC-3/8"-8MM-F, 3/8" x 8mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style With Keyway, 0.945" (24mm) OD, 1.378" (35mm) Length
Download CAD File:
MSPC-3/8\"-8MM-SS
MSPC-3/8"-8MM-SS
As low as
$111.33
$163.28
Ruland MSPC-3/8"-8MM-SS, 3/8" x 8mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style With Keyway, 0.945" (24mm) OD, 1.378" (35mm) Length
Download CAD File:
MSPX-1 1/4\"-25MM-F
MSPX-1 1/4"-25MM-F
As low as
$148.47
$217.75
Ruland MSPX-1 1/4"-25MM-F, 1-1/4" x 25mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-1 1/4\"-25MM-SS
MSPX-1 1/4"-25MM-SS
As low as
$336.48
$493.50
Ruland MSPX-1 1/4"-25MM-SS, 1-1/4" x 25mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-1\"-25MM-F
MSPX-1"-25MM-F
As low as
$99.74
$146.28
Ruland MSPX-1"-25MM-F, 1" x 25mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-1\"-25MM-SS
MSPX-1"-25MM-SS
As low as
$218.33
$320.22
Ruland MSPX-1"-25MM-SS, 1" x 25mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-25MM-3/4\"-F
MSPX-25MM-3/4"-F
As low as
$94.47
$138.56
Ruland MSPX-25MM-3/4"-F, 25mm x 3/4" Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-25MM-3/4\"-SS
MSPX-25MM-3/4"-SS
As low as
$199.54
$292.66
Ruland MSPX-25MM-3/4"-SS, 25mm x 3/4" Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-25MM-5/8\"-F
MSPX-25MM-5/8"-F
As low as
$94.47
$138.56
Ruland MSPX-25MM-5/8"-F, 25mm x 5/8" Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-25MM-5/8\"-SS
MSPX-25MM-5/8"-SS
As low as
$199.54
$292.66
Ruland MSPX-25MM-5/8"-SS, 25mm x 5/8" Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 1.772" (45mm) OD, 2.953" (75mm) Length
Download CAD File:
MSPX-3/8\"-8MM-F
MSPX-3/8"-8MM-F
As low as
$63.67
$93.38
Ruland MSPX-3/8"-8MM-F, 3/8" x 8mm Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 0.945" (24mm) OD, 1.378" (35mm) Length
Download CAD File:
MSPX-3/8\"-8MM-SS
MSPX-3/8"-8MM-SS
As low as
$92.55
$135.74
Ruland MSPX-3/8"-8MM-SS, 3/8" x 8mm Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 0.945" (24mm) OD, 1.378" (35mm) Length
Download CAD File:
MSPX-8MM-1/4\"-F
MSPX-8MM-1/4"-F
As low as
$63.67
$93.38
Ruland MSPX-8MM-1/4"-F, 8mm x 1/4" Rigid Coupling, Black Oxide Steel, Two-Piece Clamp Style, 0.945" (24mm) OD, 1.378" (35mm) Length
Download CAD File:
MSPX-8MM-1/4\"-SS
MSPX-8MM-1/4"-SS
As low as
$92.55
$135.74
Ruland MSPX-8MM-1/4"-SS, 8mm x 1/4" Rigid Coupling, 303 Stainless Steel, Two-Piece Clamp Style, 0.945" (24mm) OD, 1.378" (35mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
MSPC-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
MSPC-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
MSPC-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
MSPC-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
MSPC-25MM-3/4"-F
25 mm
0.7500 in
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MSPC-25MM-3/4"-SS
25 mm
0.7500 in
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MSPC-25MM-5/8"-F
25 mm
0.6250 in
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MSPC-25MM-5/8"-SS
25 mm
0.6250 in
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MSPC-3/8"-8MM-F
0.3750 in
8 mm
1.378 in (35.0 mm)
Black Oxide Steel
0.945 in (24 mm)
4,000 RPM
MSPC-3/8"-8MM-SS
0.3750 in
8 mm
1.378 in (35.0 mm)
303 Stainless Steel
0.945 in (24 mm)
4,000 RPM
MSPX-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
MSPX-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
MSPX-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
MSPX-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
MSPX-25MM-3/4"-F
25 mm
0.7500 in
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MSPX-25MM-3/4"-SS
25 mm
0.7500 in
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MSPX-25MM-5/8"-F
25 mm
0.6250 in
2.953 in (75.0 mm)
Black Oxide Steel
1.772 in (45 mm)
4,000 RPM
MSPX-25MM-5/8"-SS
25 mm
0.6250 in
2.953 in (75.0 mm)
303 Stainless Steel
1.772 in (45 mm)
4,000 RPM
MSPX-3/8"-8MM-F
0.3750 in
8 mm
1.378 in (35.0 mm)
Black Oxide Steel
0.945 in (24 mm)
4,000 RPM
MSPX-3/8"-8MM-SS
0.3750 in
8 mm
1.378 in (35.0 mm)
303 Stainless Steel
0.945 in (24 mm)
4,000 RPM
MSPX-8MM-1/4"-F
8 mm
0.2500 in
1.378 in (35.0 mm)
Black Oxide Steel
0.945 in (24 mm)
4,000 RPM
MSPX-8MM-1/4"-SS
8 mm
0.2500 in
1.378 in (35.0 mm)
303 Stainless Steel
0.945 in (24 mm)
4,000 RPM
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Outer Diameter (OD)
1.772 in (45 mm)
Outer Diameter (OD)
0.945 in (24 mm)
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