OST16-5-A

$20.83 ea

Quantity	Price (USD)
1	$20.83 ea
20	$12.50 ea
50	$10.42 ea
100	$9.37 ea
200	Request Quote

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Ruland OST16-5-A, 5/16" Oldham Coupling Hub, Aluminum, Set Screw Style, 1.000" OD, 0.467" Length

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PRODUCT SPECIFICATIONS

Ruland OST16-5-A is an oldham coupling hub with 5/16" bore, 1.000" OD, and 0.467" length. It is a component of a three-piece design consisiting of two anodized aluminum hubs press fit onto a center disk. This three-piece design allows for a highly customizable coupling that easily combines clamp or set screw hubs with inch, metric, keyed, and keyless bores. Disks are available in acetal plastic for zero-backlash and high torsional stiffness, nylon for shock absorption and dampening, and PEEK for high temperature and cleanroom environments. OST16-5-A can accommodate all forms of misalignment and are especially useful in applications with high parallel misalignment (up to 10% of the OD). It operates with low bearing loads protecting sensitive system components such as bearings and has a balanced design for reduced vibration at speeds up to 6,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. OST16-5-A is machined from bar stock that is sourced exclusively from North American mills and is RoHS2 and REACH compliant. It is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

PRODUCT SPECIFICATIONS

Dimensions
Bore B	0.313 in	Bore Tolerance	+.001 in / -.000 in
B1 Shaft Penetration	0.467 in	Outer Diameter OD	1.000 in
Length L	1.125 in	Hub Width LH	0.467 in
Fastening Hardware
Forged Set Screw	M4	Number of Screws	2 ea 90° apart
Screw Material	Alloy Steel	Screw Finish	Black Oxide
Seating Torque	2.2 Nm	Hex Wrench Size	2.0 mm
Performance Specifications
Angular Misalignment	0.5°	Parallel Misalignment	0.008 in, 0.20 mm
Maximum Parallel Misalignment	0.100 in, 2.54 mm	Axial Motion	0.004 in, 0.10 mm
Maximum Speed	4,500 RPM
Additional Information
UPC	63452906211	Country of Origin	USA
Material Specification	2024-T351 Aluminum Bar	Finish	Black Anodized
Finish Specification	Sulfuric Anodized MIL-A-8625 Type II, Class 2 and ASTM B580 Type B Black Anodize	Manufacturer	Ruland Manufacturing
Temperature	Acetal Disk -10°F to 150°F Acetal Disk -23°C to 65°C Nylon Disk -10°F to 130°F Nylon Disk -23°C to 54°C	Weight (lbs.)	0.0720
Product Notes
Note 1	Stainless steel hubs are available upon request.	Note 2	Performance ratings are for guidance only. The user must determine suitability for a particular application.
Note 3	Torque ratings for the couplings are based on the physical limitations/failure point of the torque disks. Under normal/typical conditions the hubs are capable of holding up to the rated torque of the disks. In some cases, especially when the smallest standard bores are used or where shafts are undersized, slippage on the shaft is possible below the rated torque of the disks. Keyways are available to provide additional torque capacity in the shaft/hub connection when required. Please consult technical support for more assistance.	Prop 65	WARNING This product can expose you to the chemical Ethylene Thiourea, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.