XL Flexible Spider Jaw Coupling (#45 Carbon Steel)

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XL Series Clamp Type Flexible Spider Coupling | #45 Carbon Steel Star Jaw Coupling for Servo Motors & CNC Lathes

Model Number
Check below, custom

Product Description

High-Precision Motion Control & Shock Absorption: XL Series #45 Carbon Steel Flexible Star Jaw Coupling

The Apexcoupling XL Series Flexible Star JawCoupling is engineered for high-precision drive systems, CNC lathes, servo motors, stepper drives, and automated machinery. Constructed with high-strength #45 carbon steel hubs and a durable wear-resistant elastomer spider insert (polyurethane/nylon), this clamp-type flexible coupling provides high torsional stiffness while isolating vibration and absorbing angular, axial, and radial shaft misalignments.

Featuring a backlash-free clamp-style locking mechanism, the XL Series enables fast, non-destructive installation and easy maintenance on motor shafts without damaging keyways. The surface undergoes a protective black oxide finish to prevent corrosion in industrial machining environments. Engineered to handle frequent forward/reverse rotations and rapid start-stop cycles, the XL flexible coupling ensures smooth torque transmission across packaging, printing, wind power, and heavy automation industries.

Core Product Advantages & Features

High-Strength #45 Carbon Steel Construction: Heavy-duty carbon steel hubs provide high torque-bearing capacity and long service life compared to standard aluminum alternatives.
Clamp-Type Non-Destructive Fixing: Clamping hub design ensures uniform stress distribution around the motor shaft, enabling secure, slip-free torque transfer without marring shaft surfaces.
Superior Shock Absorption & Damping: High-grade elastomer spider spider insert mitigates operational noise, reduces impact loads, and isolates torsional vibration.
Frequent Reversal Compatibility: Designed to withstand continuous forward/reverse rotation, high-frequency start-stop cycles, and dynamic torque fluctuations.
Black Oxide Corrosion Protection: Chemical blackening surface treatment provides excellent wear and corrosion resistance in oil and chemical environments.
Flexible Customization Support: Custom bore sizes, keyways, spline profiles, and specialized spider hardness options available to match your exact drive specifications.

Technical Specifications Table

Engineering Parameter	Technical Value / Specification (XL Series)
Product Model	XL Series Clamp-Type Star Flexible Jaw Coupling
Hub Material	#45 Carbon Steel (High-Grade Carbon Steel)
Elastomer Insert Material	High-Durability Polyurethane / Premium Nylon Spider
Fixing / Mounting Style	Clamp Type (Clamping Screw Locking)
Nominal Torque Rating	100 N . m (Customizable based on size)
Surface Treatment	Black Oxide Coating (Blackening Finish)
Axial Misalignment Capacity	$1\text{ mm}$
Ingress Protection Level	IP65 Rated
Manufacturing Standard	ISO Compliant
Target Applications	Servo Motors, CNC Machine Tools, Packaging, Printing, Automation

Model	Type	Outer Diameter (mm)	Length (mm)	Inner Diameter Range (mm)
XL0	Standard	30	35	6–16
XL1	Standard	40	66	6–19
XL1	Clamping	40	66	10–22
XL2	Standard	55	78	8–24
XL2	Clamping	55	78	8–28
XL3	Standard	65	90	8–28
XL3	Clamping	65	90	12–38
XL4	Standard	80	114	10–38
XL4	Clamping	80	114	12–45
XL5	Standard	95	126	10–42
XL5	Clamping	95	126	14–50
XL6	Standard	105	140	10–48
XL6	Clamping	105	140	15–55
XL7	Standard	120	160	15–55
XL7	Clamping	120	160	20–70
XL8	Standard	135	185	15–65
XL8	Clamping	135	185	22–75
XL9	Standard	160	210	20–75
XL9	Clamping	160	210	35–85
XL10	Standard	200	245	30–90
XL10	Clamping	200	245	40–105
XL11	Standard	225	270	30–115
XL12	Standard	255	295	40–125
XL13	Standard	290	340	40–145
XL14	Standard	320	375	40–160
XL15	Standard	370	425	60–180

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