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  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
  • Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump
Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump

Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump

$0.53-$26.80/ Piece|2 Piece/Pieces(Min. Order)

Customization:

Size（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Customized logo（Min.Order: 1 pieces）
View product details

Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Shaft Connection & Misalignment Tolerance: Designed to connect rotating shafts in pumps and machinery while accommodating angular, parallel, and axial misalignment, ensuring smooth operation even under imperfect alignment.
  • Vibration Absorption & Torque Transmission: Flexible segments made of synthetic polymer reduce noise and wear, efficiently transmitting torque between shafts for reliable power transfer.

Key features

  • 1. Durable Cast Iron Construction

    • With a corrosion-resistant cast iron body, ensure longevity and robustness in harsh industrial environments*. Offering 20% higher load capacity than aluminum alternatives, this coupling withstands heavy-duty applications like pumps and machinery*

  • 2. Oldham-Style Misalignment Tolerance

    • With an Oldham jaw design, accommodate angular and parallel shaft misalignment*, allowing up to 1.5° deflection compared to rigid couplings. This minimizes wear and extends equipment lifespan*

  • 3. High-Torque Vibration Damping

    • With flexible spider bushings, reduce vibration and transmit torque efficiently*, handling up to 5000 Nm for demanding pump operations. This design ensures smooth power transfer while absorbing shocks*

  • 4. Customizable Industrial Solution

    • Designed for pump and industrial use, handle continuous operation and heavy loads*, reducing downtime by 30% versus non-flexible couplings. Customizable bore diameters and shaft sizes ensure compatibility with diverse machinery*

  • 5. Compliance with Industrial Standards

    • Complies with safety and durability standards for mechanical components*, ensuring reliability in industrial settings. Material and structural integrity meet requirements for heavy machinery applications*

Product details

Cast Iron Keyed Jaw Coupling Similar Rotex 65 Spider Bush Coupling Oldham Coupling for Pump

The Cast Iron Keyed Jaw Coupling is a robust flexible coupling designed for industrial applications like pumps and machinery. Built with a cast iron body for durability and featuring an Oldham/jaw/spider structure, it accommodates angular misalignment while efficiently transmitting torque. With vibration damping capabilities, it reduces noise and wear, ensuring reliable performance in harsh environments.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCast iron body, iron componentsHeavy-duty machinery requiring corrosion resistance
Structure TypeOldham/jaw/spider designPrecision alignment in pumps and motors
FlexibilityRigid yet flexible, accommodating up to 1.5° angular misalignmentMachinery with slight shaft misalignment
Vibration DampingModerate vibration absorptionApplications needing basic noise reduction
Torque TransmissionHigh efficiency with minimal slippageHigh-torque industrial applications

Customization guide

Adjustable bore diameter (20–100mm) and material selection (e.g., stainless steel for corrosive environments) to meet specific operational needs.

Get inspired

Customize your coupling’s bore size or material to match the exact requirements of your pump system or industrial machinery, ensuring optimal performance and longevity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Misalignment Tolerance1.5°+15% (1.7°)+30% (2.0°)*
Vibration Damping60% efficiency75% efficiency90% efficiency (+50% vs. industry standard)
Torque Capacity10,000 Nm11,500 Nm13,000 Nm
Material DurabilityCast ironStainless steel (+20% corrosion resistance)Alloy steel (+30% strength)

Supplier's note

  1. Key Technical Breakthroughs:

    • Oldham Design: Enables precise angular misalignment handling, critical for pumps and compressors.
    • Cast Iron Construction: Ensures durability in corrosive or high-stress environments.
    • Vibration Damping: Reduces wear and noise by up to 90% in the Pro Model, outperforming industry benchmarks.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard pumps and machinery with minimal misalignment.
    • Advanced Model: Suitable for corrosive environments or applications needing 20% higher corrosion resistance.
    • Pro Model: Designed for heavy industrial use—its 13,000 Nm torque and 2.0° misalignment tolerance excel in extreme conditions.

With the Pro Model’s 90% vibration damping efficiency, you can reduce noise by half compared to traditional couplings. Pair its alloy steel body with high-torque requirements to ensure long-term reliability.

Frequently asked questions

  • Which Cast Iron Keyed Jaw Coupling model suits industrial pumps with frequent misalignment?

  • How do I clean and maintain a flexible coupling with rubber segments?

  • Cast Iron vs Steel for couplings: Which is better for heavy-duty machinery?

  • Can I customize the bore diameter of this Oldham Jaw Coupling for non-standard shafts?

  • Is this coupling ISO-certified for industrial vibration absorption?

  • What’s the maximum torque capacity of the Cast Iron Keyed Jaw Coupling?

  • How does the Oldham design handle angular and parallel shaft misalignment?

  • Does the Spider Bush design reduce noise in high-vibration pump applications?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Flexible CouplingsIndustrial machinery with shaft misalignment (pumps, compressors)- Material: Cast Iron (ASTM A48 Class 30)
- Misalignment Tolerance: ±2.0° angular, ±0.8mm axial (▲1 vs Industry Standard ±1.5°)
- Vibration Damping: 75% reduction (▲ vs 70% standard)		Accommodates misalignment, reduces noise/wear, durable constructionHigher cost, requires periodic lubrication
Rigid CouplingsHigh-torque applications with precise alignment (turbines, engines)- Material: Steel (ASTM A36)
- Misalignment Tolerance: ±0.1° (minimal)
- No vibration damping		High torque capacity, low cost, minimal maintenanceNo misalignment tolerance, sensitive to alignment errors
Oldham CouplingsHigh-speed parallel misalignment (motors, pumps)- Material: Steel (ASTM A36)
- Misalignment Tolerance: ±1.0° parallel (ISO 1116)
- Keyed design for torque transmission		High-speed capability, precise torque transferLimited to parallel misalignment, requires precise installation
Jaw CouplingsLight/moderate misalignment, frequent disconnection (pumps, mixers)- Material: Cast Iron (ASTM A48)
- Jaw Design: 6 jaws (▲ vs 4-jaw standard)
- Misalignment Tolerance: ±2.5° (▲▲ vs 2° standard)		Easy installation, accommodates angular/parallel misalignmentWear over time, less suitable for high-torque
Spider Bush CouplingsHigh-torque with moderate misalignment (industrial pumps)- Material: Steel + Rubber Spider Elements (ASTM D2000)
- Misalignment Tolerance: ±1.5° (▲ vs 1.0° standard)
- Vibration Damping: 65%		High torque capacity, vibration dampingLimited to moderate misalignment, spider elements may degrade
Gear CouplingsHigh-torque/high-speed applications (turbines)- Material: Carbon Steel (ASTM A105)
- Misalignment Tolerance: ±4.0° (▲▲▲ vs 2.5° standard)
- No vibration damping		High torque/speed capability, long service lifeRequires lubrication, complex installation

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