OCT36-20-A

$90.08 ea
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1 $90.08 ea
10 $54.05 ea
25 $45.04 ea
50 $40.54 ea
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Ruland OCT36-20-A, 1-1/4" Oldham Coupling Hub, Aluminum, Clamp Style, 2.250" OD, 1.130" Length

PRODUCT SPECIFICATIONS

Ruland OCT36-20-A is an oldham coupling hub with 1-1/4" bore, 2.250" OD, and 1.130" 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. OCT36-20-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. OCT36-20-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

1.250 in

Bore Tolerance

+.001 in / -.000 in

B1 Shaft Penetration

1.130 in

Outer Diameter OD

2.250 in

Length L

3.100 in

Hub Width LH

1.130 in

Fastening Hardware

Forged Clamp Screw

M6

Number of Screws

1 ea

Screw Material

Alloy Steel

Screw Finish

Black Oxide

Seating Torque

16 Nm

Hex Wrench Size

5.0 mm

Performance Specifications

Angular Misalignment

0.5°

Parallel Misalignment

0.010 in, 0.25 mm

Maximum Parallel Misalignment

0.225 in, 5.72 mm

Axial Motion

0.008 in, 0.20 mm

Maximum Speed

4,500 RPM

Additional Information

UPC

63452921484

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.)

0.4850

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.

CERTIFICATIONS/STANDARDS
ISO 9001:2015

Certified

Conflict Minerals

Compliant

RoHS3

Compliant

REACH

Compliant

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