FCR12-4-4-SS

$122.17 ea
Quantity Price (USD)
1 $122.17 ea
20 $73.30 ea
60 $61.09 ea
100 $54.98 ea
250 Request Quote
In Production Lead Time: 0-2 Days
Ruland FCR12-4-4-SS, 1/4" x 1/4" Six Beam Coupling, Stainless Steel, Clamp Style, 0.750" OD, 1.250" Length

PRODUCT SPECIFICATIONS

Ruland FCR12-4-4-SS is a six beam coupling with 1/4" x 1/4" bores, 0.750" OD, and 1.250" length. It is machined from a single piece of material and features two sets of three spiral cuts. This gives it higher torque capacity, lower windup, and larger body sizes than single or four beam couplings and allows for use in light duty power transmission applications such as coupling a servo motor to a lead screw. FCR12-4-4-SS is zero-backlash and has a balanced design for reduced vibration at high speeds of up to 6,000 RPM. Ruland supplies this spiral coupling with Nypatch® anti-vibration hardware that allows for even seating of the screw, repeated screw installations, prevents galling, and maintains high holding power. All hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. FCR12-4-4-SS is made from 303 stainless steel for increased torque capacity. It is machined from bar stock that is sourced exclusively from North American mills and RoHS2 and REACH compliant. FCR12-4-4-SS is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

Installation Instructions

DownLoad

PRODUCT SPECIFICATIONS

Dimensions

Large Bore B1

0.250 in

Small Bore B2

0.250 in

B1 Shaft Penetration

0.607 in

B2 Shaft Penetration

0.607 in

Outer Diameter OD

0.750 in

Bore Tolerance

+.001 in / -.000 in

Length L

1.250 in

Clearance Diameter C MAX

0.879 in

Fastening Hardware

Cap Screw

M3

Screw Material

Alloy Steel with Nypatch®

Hex Wrench Size

2.5 mm

Screw Finish

Black Oxide

Seating Torque

2.1 Nm

Number of Screws

2 ea

Performance Specifications

Static Torque

41 lb-in

Angular Misalignment

Dynamic Torque Non-Reversing

20.5 lb-in

Parallel Misalignment

0.008 in

Dynamic Torque Reversing

10.25 lb-in

Axial Motion

0.005 in

Torsional Stiffness

0.079 Deg/lb-in

Maximum Speed

6,000 RPM

Additional Information

Material Specification

Type 303 Austenitic, Non-Magnetic Bar

Temperature

-40°F to 350°F
-40°C to 176°C

Finish Specification

Bright

Country of Origin

USA

Weight (lbs.)

0.2450

UPC

63452904089

CERTIFICATIONS/STANDARDS
ISO 9001:2008

Certified

Conflict Minerals

Compliant

RoHS2

Compliant

REACH

Compliant

CUSTOMER REVIEWS

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