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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 VMST38-32-5/16-31.8-55-SSNI/2PK is a 2 pack of rubber bumpers, each with a threaded stud. An individual rubber bumper has a 1.5" outside diameter, 5/16x18 threaded stud, 1.25" stud length, and 1.26" height. Rubber bumpers are 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. They are often referred to as a sandwich mount or rubber buffer because they function as a shock or vibration isolator sandwiched between two machine components or surfaces. These rubber bumpers have a tapered (conical) shape for gentler accommodation of shock loads when compared to cylindrical types. A rubber bumper 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. Rubber bumpers in this pack have 55 Shore A hardness for a balance of rigidty and shock absorption. Bodies are made from stainless steel allowing for increased corrosion resistance. These rubber bumpers are sourced from a premier partner, inventoried by Ruland, and RoHS3 compliant.
PRODUCT SPECIFICATIONS
Dimensions
Outer Diameter (OD)
1.50 in (38 mm)
Height (H1)
1.26 in (32 mm)
Thread (TH)
5/16 in - 18 TPI
Plate Thickness (PT)
0.08 in (2 mm)
Stud Length (LS)
1.25 in (31.8 mm)
Performance Specifications
Spring Rate
714 lb/in (125 N/mm)
Shore Hardness
55A (+/- 5)
Max Deflection
0.37 in (9.4 mm)
Max Axial Load
270 lb (1200 N)
Additional Information
Multipack Quantity
2
Geometry
Truncated Conical
Rubber Material
Nitrile
Metal Material
Stainless Steel
Metallic Body Finish
Bright
Country of Origin
Hungary
Weight (lbs)
0.226000
UPC
634529366608
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.
