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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 VMTSC79-57-1/2-55-FZNR is a vibration isolation mount with one tapped hole and one threaded stud. It has a 3.11" outside diameter, 1/2x13 threaded stud, 1/2x13 tapped hole, 1.26" stud length, 0.47" tapped hole depth, and 2.24" height. This vibration isolation mount is used to dampen shock loads and reduce noise and wear on industrial equipment such as motors, conveyors, compressors, fans, or pumps 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. The threaded stud side of VMTSC79-57-1/2-55-FZNR can be mounted to the system by passing it through an unthreaded hole and securing with a nut or threading it directly into tapped hole on the component it will be mounted to. The tapped hole can be mounted to the system by threading it onto an existing stud on the component. VMTSC79-57-1/2-55-FZNR has a rubber jacket that is made from natural rubber which has good elasticity. It has 55 Shore A hardness for a balance of rigidity and shock absorption. The zinc plated steel body allows for high strength and is suitable for most industrial applications. VMTSC79-57-1/2-55-FZNR is sourced from a premier partner, inventoried by Ruland, and RoHS3 compliant.
PRODUCT SPECIFICATIONS
Dimensions
Outer Diameter (OD)
3.11 in (79 mm)
Height (H1)
2.24 in (57 mm)
Thread (TH)
1/2 in - 13 TPI
Plate Thickness (PT)
0.12 in (3 mm)
Stud Length (LS)
1.25 in (31.8 mm)
Tapped Hole Depth (LT)
0.47 in (11.9 mm)
Performance Specifications
Spring Rate
3357 lb/in (587.9 N/mm)
Shore Hardness
55A (+/- 5)
Max Deflection
1.38 in (35.0 mm)
Max Axial Load
1880 lb (8362.7 N)
Additional Information
Geometry
Cylindrical
Rubber Material
Natural Rubber
Metal Material
Zinc Plated Steel
Metallic Body Finish
Zinc-Plated
Country of Origin
Hungary
Weight (lbs)
1.153300
UPC
634529233375
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.
Prop 65
Required for the US State of California only.
WARNING This product can expose you to the chemical Soots
WARNING This product can expose you to the chemical Soots
