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NEW Ruland MSPC-25-25-SS Rigid Coupling, 303 SS, 2-Piece Clamp, Keyway Box of 2

Ruland MSPC-25-25-SS is a two-piece rigid coupling with 25mm x 25mm bores, 45mm OD, 75mm length, and 8mm x 8mm keyways. It has precision honed bores to ensure they are collinear and do not introduce misalignment or vibration into the system making it suitable for high precision servo appliactions as well as shaft to shaft connections. MSPC-25-25-SS has opposing hardware for a balanced design. Proprietary Nypatch® anti-vibration coating on hardware allows for even seating of the screw, repeated screw installations, prevents galling, and maintains high holding power. It eliminates the need to treat screws upon receipt greatly reducing installation time. Forged screws test beyond DIN 912 12.9 standards to ensure maximum holding power. Tightly controlled bore tolerance of +.050mm/+.012mm is maintained. MSPC-25-25-SS is made from 303 stainless steel with hardware of like material for consistent corrosion resistance. It is machined from solid bar stock that is sourced exclusively from North American mills and is RoHS3 and REACH compliant. MSPC-25-25-SS is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

Dimensions
Bore (B1)	25 mm	Small Bore (B2)	25 mm
Keyway (K1)	8 mm	Keyway (K2)	8 mm
B1 Max Shaft Penetration	37.5 mm	B2 Max Shaft Penetration	37.5 mm
Outer Diameter (OD)	45 mm	Bore Tolerance	+0.050 mm / +0.012 mm
Length (L)	75 mm	Clearance Diameter (C) MAX	51.5 mm
Recommended Gap	2.38 mm	Recommended Shaft Tolerance	+0.000 mm / -0.013 mm
Fastening Hardware
Forged Clamp Screw	M6	Screw Material	18-8 300 Series Stainless Steel with Nypatch®
Hex Wrench Size	5.0 mm	Screw Finish	Bright
Seating Torque	9.6 Nm	Screw Location (R)	16.9 mm
Number of Screws	8 ea
Performance Specifications
Rated Torque	120 Nm	Moment of Inertia	1.939 x 10^-4 kg-m²
Maximum Speed	4,000 RPM	Full Bearing Support Required?	No
Nypatch® Anti-Vibration Hardware?	Yes	Precision Honed Bores?	Yes
Zero-Backlash?	Yes	Balanced Design	Yes
Additional Information
Material Specification	Type 303 Austenitic, Non-Magnetic Bar	Temperature	-40°F to 350°F (-40°C to 176°C)
Finish Specification	Bright, No Plating	Manufacturer	Ruland Manufacturing
Country of Origin	USA	Weight (lbs)	1.274600
UPC	634529016961	Tariff Code	8483.60.8000
UNSPC	31163009

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