SANHE 3A RUBBER & PLASTIC CO., LTD.
                                                                                                           
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19 Years
Since 2007
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High Tensile Strength Polyurethane Coupling with 120°C Temperature Range and Oil Resistant Properties for Industrial Applications

Price Negotiable
Price: negotiation
MOQ: 10pieces
Delivery Time: 10 working days after received your payment
Brand: 3A Rubber
Product Description
CSM / SBR Polyurethane Shaft Coupling
3J - 14J gear polyurethane coupling, NBR rubber coupling for screw air compressor
Technical Specifications
Item 14J 13J 11J 10J 9J 8J 7J 6J 5J 4J 3J
OD (mm) 333 284 208 179.4 152 128.6 110.4 95.3 74.6 58.7 48
ID (mm) 193 165 122.3 102 87 75 64.5 54.6 44 34 26.5
Thickness (mm) 165 138 101.6 87.3 76.2 63.5 55.6 47.6 39.7 31.8 25.5
Gear Qty (Piece) 24 24 24 24 24 24 24 20 20 18 18
Weight (g) 7550 6000 1750 1210 700 407 262 171 81 40 20
Atlas Copco Spare Parts Shaft Coupling
1613688500 2903101500 1613949900 1613958500 2903101701 2903101601 1615436200 1614873800 1614873900
Compatible Brands

Atlas Copco, Sullair, Fusheng, Compare, HITACHI, etc.

Material Specifications
Material: Polyester, CSM/SBR
Color: Yellow, red, purple, green, black, etc.
Surface: Smooth
Tensile Strength: 12-55 Mpa
Hardness: 80-98 Shore A
Elongation: 400%-650%
Density: 1.25 g/cm³
Elasticity Impact: >25%
Tear Strength: 35-155 KN/m
Akron Abrasion Loss: <0.05 cm³/1.61 km
Compression Set (22h*70°C): <10%
Working Temperature: 120°C
Standard Sizes

Gear 3J, 4J, 5J, 6J, 7J, 8J, 9J, 10J, 11J

Special sizes available according to buyer's drawings

Key Features
• Couplings for Air Compressors
• Serious Production Lines
• Top quality with reasonable price
• Personalized packaging
• OEM provided, A&V Checked
Product Characteristics

Claw type surface-to-surface design provides protection, vibration damping, and shock absorption. The circumferential offset design with quincunx elastic body avoids stress concentration during installation deviations. Effectively compensates for axial, radial, and angular displacement.

Compared to traditional column pin coupling elastomers, the new claw type couplings operate under extrusion pressure only, enabling greater load capacity, better wear resistance, and longer service life. Suitable for both horizontal and vertical installation.

CJ Series Coupling Features
  • Simple structure, stable performance, reliable operation
  • Three-component structure for easy installation and maintenance
  • Multiple material options for hub and elastic body
  • Surface matching claw type shaft hub with involute arc elasticity
  • Small protuberance pad isolates metal shaft hub contact
  • Effective insulation, no lubrication required

Manufactured by injection molding with high-quality polyester or CSM/SBR. Designed specifically for various metal shaft couplings with excellent performance characteristics including high tensile strength, wear resistance, elastic resilience, water and oil resistance, and exceptional fatigue resilience.

Polyurethane shaft coupling product view Close-up of coupling gear design Industrial application of shaft coupling

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company SANHE 3A RUBBER & PLASTIC CO., LTD.
Location 45 Hualian Golden Street, Sanhe Hebei China
Contact Person Shiguo Han

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