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Brand Name : GQZ or Other famous brand
Model Number : Z5 Series
Certification : ISO9001,ROHS
Place of Origin : China
MOQ : 5pcs
Supply Ability : 10000/month
Packaging Details : Plastic Bag+cox+carton
Product Type : Expansion Coupling Sleeve
Application : Automotive.tractor.construction Machinery.rolling Mill
Axial force Ft(kN) : 950-4610
Torque Mt(kN.m) : 95-1380
Material, bearing : Bearing steel
Expansion coupling sleeve is an advanced basic component widely used in the international market for mechanical coupling under heavy load. In the connection of shaft and wheel, it is a keyless coupling device to realise load transmission by tightening the pressure and friction generated between the accommodating surfaces of high-strength bolts.
| Applicable Industries | Automotive.tractor.construction Machinery.rolling Mill |
|---|---|
| Place of Origin | China |
| Type | BALL |
| Model Number | Z5 series |
| Brand Name | GQZ or OEM |
| Seals Type | Open |
| Material | Chrome Steel |
| Outside diameter | 260-710mm |
| Bore size | 200-600mm |
| Feature | Long Life |
| Certificate | ISO9001:2008 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Precision | P0,P5,P6 |
| Service | OEM Service |
| Stock | Rich |
| Package | Original Packing |



| Dimentions | Hexagon socket head cap screws | Weight | |||||
|---|---|---|---|---|---|---|---|
| d | D | l | L | L1 | d1 | n | W.t(kg) |
| 200 | 260 | 88 | 94 | 108 | M14 | 24 | 15 |
| 210 | 275 | 98 | 104 | 120 | M16 | 18 | 17.5 |
| 220 | 285 | 98 | 104 | 120 | M16 | 18 | 19.8 |
| 240 | 305 | 98 | 104 | 120 | M16 | 24 | 21.4 |
| 250 | 315 | 98 | 104 | 120 | M16 | 24 | 22 |
| 260 | 325 | 98 | 104 | 120 | M16 | 25 | 23 |
| 280 | 355 | 120 | 126 | 144 | M18 | 24 | 35.2 |
| 300 | 375 | 120 | 126 | 144 | M18 | 25 | 37.4 |
| 320 | 405 | 135 | 142 | 162 | M20 | 25 | 51.3 |
| 340 | 425 | 135 | 142 | 162 | M20 | 25 | 54.1 |
| 360 | 455 | 158 | 165 | 187 | M22 | 25 | 75.4 |
| 380 | 475 | 158 | 165 | 187 | M22 | 25 | 79 |
| 400 | 495 | 158 | 165 | 187 | M22 | 25 | 82.8 |
| 420 | 515 | 158 | 165 | 187 | M22 | 30 | 86.5 |
| 450 | 555 | 172 | 180 | 204 | M24 | 30 | 112 |
| 480 | 585 | 172 | 180 | 204 | M24 | 32 | 119 |
| 500 | 605 | 172 | 180 | 204 | M24 | 32 | 123 |
| 530 | 640 | 190 | 200 | 227 | M27 | 30 | 151 |
| 560 | 670 | 190 | 200 | 227 | M27 | 30 | 160 |
| 600 | 710 | 190 | 200 | 227 | M27 | 32 | 170 |





Harsh environments, characterized by moisture, dust, and extreme temperatures, pose significant challenges.
Corrosion Resistance: Exposure to moisture can lead to corrosion, affecting the sleeve's performance.
Solution: For operations in harsh environments, select adapter sleeves made from corrosion-resistant materials or consider protective coatings to enhance the durability of adapter sleeves.
Effective maintenance is crucial for maximizing lifespan and performance.
Inspection Schedules: Establishing routine inspection schedules helps detect potential issues early.
Lubrication Needs: Proper lubrication ensures smooth operation and reduces wear.
Solution: To maintain systems with adapter sleeves effectively:
Implement a comprehensive maintenance schedule including cleaning, inspection, and re-lubrication of components around the adapter sleeve.
Keep detailed records of all maintenance activities to track the condition and performance of adapter sleeves over time.
High-speed applications require careful selection to manage heat generation and vibration.
Heat Management: High speeds can generate significant heat, leading to increased wear.
Solution: For high-speed applications, choose adapter sleeves designed for enhanced speed capabilities with optimized internal geometries. Ensure adequate lubrication and cooling systems are in place to support the adapter sleeves.
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Lock Keyless Assembly Expansion Sleeve Assembly Z1 Z2 Z3 Z4 Z5 Z6 Z7 Z8 Z9 Z10 Z11 Z12 Expansion Coupling Sleeve Images |