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Ruland Aluminium Clamp Style Flexible Coupler 12.7 mm OD 4 mm Bore 19.1 mm Length PCMR13-4-4-A

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Ruland Aluminium Clamp Style Flexible Coupler 12.7 mm OD 4 mm Bore 19.1 mm Length PCMR13-4-4-A

Name: Ruland Aluminium Clamp Style Flexible Coupler 12.7 mm OD 4 mm Bore 19.1 mm Length PCMR13-4-4-A
Brand: Ruland
SKU: 180804
Price: 51.13 USD
Availability: InStock

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Category Mechanical Power Transmission Couplings Brand Ruland Condition New

Specifications

Country of Origin	United States
Screw Size	M2
Brand	Ruland
Material	Aluminium
Length	19.1mm
Model	PCMR13-4-4-A
Maximum Speed	6000rpm
Number of Beams	4
Outside diameter	12.7mm
Maximum Operating Temperature	107°C
Minimum Operating Temperature	-40°C
Torque Rating	0.92Nm
Standards/Approvals	REACH, DIN 912 12.9, RoHS3
Moment of Inertia	0.117 x 10-6 kg/m²
Misalignment - Angular	3°
Misalignment - Parallel	0.2mm
Misalignment - Axial	0.13mm
Bore Size B	4mm
Ruland, 12.7 mm OD 4 mm, 19.1 mm Length 4 mm CouplerBrand	Ruland

Key Features

Constructed from high-quality aluminium for durability and lightweight performance.
Features a clamp style fixing with one socket head cap screw per shaft for secure attachment.
Supports bore size of 4 mm for both shafts with an outside diameter of 12.7 mm and length of 19.1 mm.
Capable of handling a maximum speed of 6000 rpm and torque rating of 0.92 Nm.
Allows up to 3 degrees angular misalignment, 0.2 mm parallel misalignment, and 0.13 mm axial misalignment.
Designed for use in encoders, stepper motors, robotics, measuring instruments, servo systems, pumps, valves, and fans.
Operating temperature range from -40°C to 107°C making it suitable for a wide range of industrial environments.
RoHS, REACH compliant and conforms to DIN 912 12.9 standard screws (M2 screw size).

Product Description

Ruland PCMR13-4-4-A aluminium clamp style flexible coupler is engineered for robust and precise mechanical power transmission in industrial machinery and automation systems. Manufactured as a single piece, this coupling eliminates mechanical joints and possible failure points, ensuring torsional rigidity and zero backlash.

The coupler's clamp style fixing uses one socket head cap screw per shaft, providing strong and reliable shaft connection while accommodating up to 3 degrees of angular misalignment, 0.2 mm parallel and 0.13 mm axial misalignments. Its aluminium construction balances strength with lightweight characteristics, making it ideal for dynamic applications requiring high speeds up to 6000 rpm and torque capacities of 0.92 Nm.

This flexible beam coupling supports bore sizes of 4 mm with an outside diameter of 12.7 mm and length of 19.1 mm, suited for precise mechanical control in encoders, stepper motors, robotics, and servo systems. It operates effectively across a broad temperature range from -40°C to 107°C, tolerating demanding industrial environments without lubrication requirements.

The coupler’s design adheres to industry standards including RoHS, REACH, and DIN 912 12.9 socket head cap screws with M2 size, ensuring compliance and high quality. Typical applications include mechanical power transmission between shafts in pumps, valves, fans, and measuring instruments where high alignment accuracy and reliable torque transmission are critical.

Constructed from aluminium for lightweight durability. Clamp style fixing ensures secure shaft attachment. Supports bore size 4 mm, OD 12.7 mm, length 19.1 mm. Maximum speed rating: 6000 rpm, torque rating: 0.92 Nm. Accommodates misalignment: angular 3°, parallel 0.2 mm, axial 0.13 mm.

Operates within temperature range -40 to 107°C. Complies with RoHS, REACH, and DIN 912 12.9 standards. Ideal for encoders, stepper motors, robotics, pumps, valves, and fans.

This Ruland flexible coupler is a reliable component for industrial, construction, robotics, and manufacturing sectors requiring durable, precise, and maintenance-free shaft couplings. Explore more products in Mechanical Power Transmission Couplings at EnvMart for your industrial needs.