4 Inch Blue Polyvinyl Bow Roller for Boat Trailer Winch Post & Bells
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Product Attributes
- After-sales Service
- 3 Years
- Warranty
- 3 Years
- Certification
- ISO/TS16949, CCC, DOT, ISO, CE
- Model NO.
- TBR012
- Loading Weight
- 150kg
- Self-dumping
- Self-dumping
- Shape
- Bow Roller Assembly
- Axle Number
- 1
- Usage
- Boat Trailer
- ABS
- With ABS
- Type
- Full Trailer
- Condition
- New
- Tent Type
- Simple
- Color
- Blue
- Inner Diameter of Mounting Hole
- 1/2''
- Inner Wheel Length
- 4''
- Overall Length
- 5''
- Material
- Polyurethane
- Transport Package
- Carton Box
- Specification
- 3*5''
- Trademark
- HARSCO
- Origin
- China
- Production Capacity
- 50000PCS/Y
- Package Size
- 100.00cm * 100.00cm * 100.00cm
- Package Gross Weight
- 1.000kg
Product Images of 4 Inch Blue Polyvinyl Bow Roller for Boat Trailer Winch Post & Bells
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Product Description
Bow Roller Assembly w/ Bells for 4" Wide Bracket - Polyurethane - 1/2" Shaft - Black
Make boat launching and retrieval smoother and easier with our premium polyurethane boat trailer rollers. Crafted from high-quality materials, these rollers are designed to provide exceptional support while preventing scratches or marks on your boat's hull, keeping it in top condition. Whether you're navigating shallow waters or dealing with uneven terrain, these rollers ensure smooth, stable movement, reducing the risk of your boat getting stuck or tipping during transport.
Our boat trailer rollers come in versatile sizes and configurations, making them suitable for a wide range of boat types-from small dinghies to large powerboats. The non-scratching, non-marking polyurethane construction offers superior durability compared to traditional rubber rollers, ensuring long-lasting performance with minimal maintenance. Simply attach the rollers to your trailer with the included hardware, and enjoy years of reliable service.
These boat trailer rollers are also user-friendly and easy to install, providing a hassle-free solution for boat owners looking for better control and protection during loading and unloading. Investing in our boat trailer rollers means fewer complications and a smoother experience every time you get your boat in or out of the water. Say goodbye to stress and hello to seamless boat handling.
Key Features:
- Non-Scratching Material: Protects your boat from unwanted scratches and marks.
- Versatile Sizes: Suitable for different boat types and sizes, from dinghies to powerboats.
- Durable Polyurethane Construction: Stronger and longer-lasting than traditional rubber rollers.
- Easy Installation: Includes all necessary hardware for quick, hassle-free setup.
- Low Maintenance: Designed for years of reliable use with minimal upkeep.
- Smooth Support: Ensures your boat stays stable during launch and retrieval, even on rough terrain.
Specifications:
- Color: Blue
- Mounting Hole Diameter: 1/2"
- Inner Wheel Length: 4"
- Overall Length: 5"
- Material: Polyurethane
Enhance your boat trailer's performance and protect your boat from damage with these long-lasting, high-performance trailer rollers. Enjoy the peace of mind that comes with smoother, safer, and stress-free boat launches every time.


Get the ultimate reliability and protection with this durable bow roller assembly!

| No. | Type | Size A(inch) | Size B(inch) | Size C(inch) | Material | Color |
| 1 | Bow Roller Assembly | 14.54 | 4 | 5.27 | PU+UV | Blue |
| 2 | Bow Roller Assembly | 14.08 | 3.54 | 5.27 | PU | Yellow |
| 3 | Bow Roller Assembly | 14.08 | 3.54 | 5.27 | PU | Translucen Yellowow |
| 4 | Bow Roller Assembly | 14.08 | 3.54 | 5.27 | PP | Orange |
| 5 | Bow Roller Assembly | 11 | 3 | 4 | PP | Black |
| 6 | Bow Roller Assembly | 11 | 3 | 4 | PP+UV | Translucen Yellowow |



If you can send me the drawings or specifications of the trailer parts, mechanical parts and wheels, we can give you our price.
A: Yes, we have our own factory, own engineers, we can meet custom's unique requirement.
Q2: Can I have a sample order?
A: Yes, welcome sample order to test and check quality. Mixed samples are acceptable.
Q3: It's OK to print my logo on your product?
A: Yes, we can according to your exact requirement.
Q4:How do you ship the goods and how long does it take arrive?
A: We usually shipped by DHL, UPS, FedEx, it usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5: What is your advantages?
A: We are professional supplier for more than ten years, we always put the quality and price at the first place. At the same time, our products are exported to various countries, we have full experience to solve thorny problems.
If you want to know about our products and us, welcome to enquiry and email me.thanks
1-Welcome OEM
- You can use your own brands or ours, if you use our brand, our professional team will help you design the packing.
- You inquiry related to our products or prices will be replied in 24 hours.
- Well-trained and experienced staffs to answer all your enquirys in fluent English.
- Protection of your sales area, ideas of your design and all your private information.
- We have a QC team, every product will be checked by them before packed.
- When you come to our company visit us, we will arrange a car for picking up and help you book hotel. If you want to visit the local scenic spot, our colleague will accompany you.
- Customer should be provide the video and the pictures for the problem products.
- Products returned within the warranty period must bear product number & date code.
- In production and after delivery, we will track on time and tell you goods situation.
- When the goods arrived, if you find any design and quality questions, or difference from your samples, please feel free to contact us, we will find the question and solve it with you.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI2432154". Items marked "" are certified.
Company Profile
Established in 2016, Ningbo Harsco Machinery Co., Ltd. Has been committed to becoming a trusted partner in the global commercial vehicle industry. Strategically located in Ningbo, Zhejiang Province-China's manufacturing hub-the company leverages its geographic advantages and innovative capabilities to emerge as a leading integrated solutions provider specializing in the R&D, production, and distribution of steel wheels and trailer components.
Core Manufacturing Competencies
As an ISO 9001: 2015-certified enterprise, we operate a 20, 000-square-meter modern production base equipped with fully automated laser cutting lines, CNC precision stamping systems, and robotic welding stations. With an annual output exceeding 2 million steel wheels and 1.5 million trailer parts, our product portfolio spans 8 core categories:
Axle System Solutions
Custom axle assemblies: Straight/Drop/Overlay/Stub Axle Kits
Braking components: Non-Braked Hub Kits, Disc/Drum Brake Kits
Precision drivetrain parts: Bearings, Flanges, Spindles, Universal Joints
Suspension & Chassis Systems
Suspension kits: Multi-Leaf Spring Assemblies, Equalizer Beams
Chassis reinforcement: U-Bolt Kits, Hanger Brackets
Shock absorption: Rubber Bushings, Damper Linkages
Intelligent Coupling Systems
Towing devices: Straight/A-Frame/Gooseneck Couplers
Safety locks: Anti-Disengagement Pins, Theft-Proof Hitches
Smart adjustment: Electric Trailer Jacks, Auto-Leveling Systems
Specialized Transport Accessories
Marine trailer solutions: Keel Roller Assemblies, Anti-Wobble Rollers
Off-road enhancements: Wheel Spacers, Heavy-Duty Fenders
Lighting & electrical systems: Waterproof LED Clusters, Wiring Harnesses
Technological Innovation
Our provincial-level R&D center holds 18 utility patents and 3 invention patents. By integrating German EMA testing equipment and Japanese CMMs (Coordinate Measuring Machines), we ensure 100% compliance with DOT, TUV, and GB/T standards. Notably, our proprietary high-strength dual-phase steel wheels achieve 15% weight reduction and 20% higher load capacity compared to conventional designs.
Global Service Network
Capitalizing on Ningbo-Zhoushan Port's logistics advantages, we have established a worldwide distribution network spanning 65 countries, offering:
Customized production: ODM/OEM services with prototypes delivered within 5 working days
Engineering support: A 10-member technical team for load analysis and system integration
Quality assurance: 3-year warranty with lifetime maintenance guidance
Flexible delivery: FCL/LCL shipments under EXW/FOB/CIF terms
Strategic Partnerships
Guided by the philosophy of "Quality Builds Foundations, Service Drives Excellence, " we supply tier-2 components to global leaders like BPW (Germany) and Dexter Axle (USA). Our products are widely applied in:
Port container transporters
RV chassis systems
Heavy-duty equipment trailers
Marine transport carriers
Access Product Resources
Download the latest 2024 Q2 English catalog and technical manuals from our Made-in-China. com flagship store. For custom requirements, submit drawings to our email to receive feasibility assessments and competitive quotations within 24 hours.
Vision for the Future
Ningbo Harsco remains dedicated to advancing smart transport solutions through annual R&D investments exceeding 5% of revenue. We invite global partners to collaborate in shaping the future of commercial vehicle components.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Rm 888, Building G, 959 E-Commerce Park, Panhuo Street, Yinzhou, Ningbo, Zhejiang, China
-
Plant Area
- 170 square meters
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 100pcs
-
Supply Chain Partners
- 110
Our Production Capability & Technical Expertise
- Main Products
- Trailer Axle, Trailer Jack, Trailer Brake, Trailer Light, Trailer Winch, Trailer Leaf Spring, Stub Axle, Trailer Part
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2016-06-29
-
Export Year
- 8 Years
-
Main Markets
- North America, South America, Europe, Australia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
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