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Mountable shaft collars with face holes are designed to mate directly with components such as sprockets, pulleys, and metallic plates. Ruland manufactures them with drilled holes for mounting flexibility or threaded holes for the most secure connection between the collar and mated component. They are offered in steel, aluminum, and 303 stainless steel in bore sizes ranging from 3/8” to 2” and 10mm to 50mm.
Clamp style universal joints improve over set screw style because they do not mar the shaft, offer infinite adjustability, and can be used on all shaft types. Ruland is the only North American supplier of clamp style universal joints and manufactures the clamp feature, bores, and keyways in our advanced manufacturing facility in Marlborough, MA USA. They are available in sizes from 1/4" to 1 1/4” in steel for high strength and stainless steel for corrosion resistance.
Ruland VMST50-43-3/8-15.9-55-SSNI is a rubber bumper with a threaded stud. It has a 1.97" outside diameter, 3/8x16 threaded stud, 0.63" stud length, and 1.69" height. This rubber bumper is used to dampen shock loads and reduce noise and wear on industrial equipment, machine doors, and floors or other surfaces which allows for a safer and more pleasant working environment. It is often referred to as a sandwich mount or rubber buffer because it functions as shock or vibration isolator sandwiched between two machine components or surfaces. VMST50-43-3/8-15.9-55-SSNI has a tapered (conical) shape for gentler accommodation of shock loads when compared to cylindrical types. It can be mounted to the system by passing it through an unthreaded hole and securing with a nut or threading it directly into tapped holes on the component it will be mounted to. The rubber jacket is made from nitrile for better wear and chemical resistance than natural rubber. VMST50-43-3/8-15.9-55-SSNI has 55 Shore A hardness for a balance of rigidty and shock absorption. The stainless steel body allows for increased corrosion resistance. It is sourced from a premier partner, inventoried by Ruland, and RoHS3 compliant.
PRODUCT SPECIFICATIONS
Dimensions
Outer Diameter (OD)
1.97 in (50 mm)
Height (H1)
1.69 in (43 mm)
Thread (TH)
3/8 in - 16 TPI
Plate Thickness (PT)
0.08 in (2 mm)
Stud Length (LS)
0.63 in (16 mm)
Performance Specifications
Spring Rate
885 lb/in (155 N/mm)
Shore Hardness
55A (+/- 5)
Max Deflection
0.41 in (10.4 mm)
Max Axial Load
364 lb (1620 N)
Additional Information
Geometry
Truncated Conical
Rubber Material
Nitrile
Metal Material
Stainless Steel
Metallic Body Finish
Bright
Country of Origin
Hungary
Weight (lbs)
0.210100
UPC
634529363737
Tariff Code
4016.99.6000
UNSPC
Code used to identify products to standardize nomenclature around the world.
31162804
Product Notes
Note 1
Performance ratings are for guidance only. The user must determine suitability for a particular application.
