Boat trailer parts are essential for ensuring safe and efficient transport of boats to and from the water.
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1-2 weeks delivery time The Osculati Fixed Keel Central Roller range is designed for boat trailer keel support and guidance applications. Available in small and large versions for 30 x 30 mm and 40 x 40 mm tube sections, the assemblies are supplied with fixed central rollers measuring either 120 x 75 mm or 200 x 75 mm. Depending on the model, roller bore diameters are 14 mm or 21 mm, with replaceable roller options available for maintenance and service.
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$ 45.26
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1-2 weeks delivery time The Osculati Fixed Keel Central Roller range is designed for boat trailer keel support and guidance applications. Featuring a fixed central roller mounted on a double-tube bracket, the assemblies are available for 30 x 30 mm and 40 x 40 mm tube sections. The range includes small and large versions with overall widths from 330 mm to 340 mm and heights from 210 mm to 245 mm. Depending on the model, the assemblies utilize spare rollers 02.031.08, 02.029.11 or 02.031.09.
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$ 57.71
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1-2 weeks delivery time The ELLEBI central roller assembly is supplied complete with U-shaped mounting brackets for installation on boat trailers and support systems. Designed as a complete central support unit, it provides secure hull guidance and support during launching, recovery and transport. Compatible spare rollers are available under references 02.031.09 and 02.029.11.
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$ 67.08
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1-2 weeks delivery time The Osculati keel central roller support is a compact version designed with an adjustable radiate support bracket for trailer installations. Suitable for square tube frames, the assembly is available for 70 × 70 mm, 80 × 80 mm and 100 × 100 mm tube sizes. The support is designed for use with spare roller 02.031.08 and provides reliable keel guidance during launching, recovery and transport operations.
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$ 76.06
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1-2 weeks delivery time The Osculati Rear Keel Roller Bracket range is designed for mounting rear keel rollers on boat trailers. The assemblies are supplied with U-brackets and are suitable for 50 mm and 70 mm centre distances, as well as U-bracket codes 02.040.85 and 02.040.87. Available in single and double/swinging configurations, both versions feature adjustable 60 mm brackets and utilize replaceable keel rollers for simplified maintenance.
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$ 77.37
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1-2 weeks delivery time The Osculati Extra-Large Central Keel Roller range is designed for heavy-duty boat trailer applications and is supplied complete with mounting U-brackets. Suitable for 50 mm and 70 mm centre distances or U-brackets 02.040.85 and 02.040.87, the assemblies are available in single and double/swinging configurations. Both versions feature 60 mm adjustable brackets and utilize the 02.029.19 spare roller.
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$ 87.37
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1-2 weeks delivery time The Osculati U-Bracket range is designed for mounting fixed or swinging central keel rollers on boat trailers. Manufactured for tube sections from 30 mm to 70 mm, the range includes four sizes with widths from 48 mm to 80 mm and heights from 80 mm to 116 mm. These brackets are compatible with various central roller assemblies and provide a secure mounting solution for trailer keel support systems.
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$ 7.35
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1-2 weeks delivery time The Osculati Roller Mounting Bracket range is designed for secure installation of trailer rollers and is supplied complete with a counter plate for mounting. Available in left-hand and right-hand configurations, the brackets are specifically designed for compatibility with roller 02.031.16 and provide a robust mounting solution for boat trailer support systems.
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$ 20.17
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1-2 weeks delivery time The Osculati universal bow stop is designed for trailer applications and is supplied with a U-bolt and chafe protection components. Featuring a 50 mm height, the assembly provides secure bow positioning and support during transport and launching operations. The unit is designed for use with rubber stop 02.001.00.
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$ 73.59
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1-2 weeks delivery time The Osculati heavy-duty bow stop is a universal adjustable trailer component designed to provide secure bow support and positioning during transport and launching operations. Featuring a robust adjustable construction and an overall length of 645 mm, the unit is suitable for a wide range of trailer configurations and vessel sizes.
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$ 129.69
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1-2 weeks delivery time The Osculati safety pull strap is designed for boat trailers fitted with hooks and provides an additional securing connection during transport and launching operations. Manufactured as a high-quality trailer accessory, the strap features a 3 mm diameter and an overall length of 950 mm.
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$ 19.32
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1-2 weeks delivery time The Osculati Swinging Side Roller Straight is a universal trailer side roller assembly designed for smooth hull guidance during launching and retrieval. Available for 30 mm or 40 mm square tubes, with 2 or 4 roller configurations and Ø100 mm or Ø120 mm rollers, these assemblies provide stable side support for a wide range of boat trailers. All versions feature a straight bracket and use replaceable rollers for easy maintenance.
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$ 67.16
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1-2 weeks delivery time The Osculati Swinging Side Roller Raised is a universal side roller assembly for boat trailers, designed to provide elevated hull support during launching and retrieval. Built for 40 mm square trailer tubes, the range includes 2, 4, 6 or 8 roller configurations with Ø100 mm or Ø120 mm rollers. The raised bracket design improves hull contact on deeper or more pronounced hull shapes, while replaceable rollers simplify maintenance.
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$ 76.14
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1-2 weeks delivery time The Osculati Swinging Side Roller with Double Bracket is a universal side support assembly for boat trailers, designed for 40 mm square trailer tubes. Available with either a fixed double bracket or a swinging double bracket, both versions feature 2 × Ø120 mm rollers for smooth hull guidance during launching and retrieval. Replaceable rollers allow easy maintenance while the robust galvanized bracket provides reliable support for a wide range of trailer applications.
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$ 57.91
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1-2 weeks delivery time The Osculati Side Roller with Butterfly Bracket range is designed for heavy-duty boat trailer applications requiring reliable lateral hull support and guidance. Both versions feature a robust butterfly-style bracket manufactured from 20 mm extruded profile and shaped for heavy loads. Available with fixed or oscillating roller configurations, the assemblies are fitted with 120 x 75 mm rollers for demanding trailer installations.
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$ 61.87
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1-2 weeks delivery time The Osculati Swinging Central Keel Roller range is designed for boat trailer keel support applications and features a cut-tube mounting configuration. Available for 30 x 30 mm and 40 x 40 mm tube sections, both versions utilize a large swinging roller assembly with a support width (C) of 222 mm. The design allows the roller to adapt to hull contours during launching, recovery and transport operations.
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$ 132.51
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1-2 weeks delivery time The Osculati Central Roller Mounting Components are designed for mounting and supporting central keel rollers on boat trailers. This product range includes three individual mounting options: a 40×40 mm tube bracket, a pair of 100×100 mm multiple bore brackets, and a pair of 250 mm multiple bore angle plates. Each version is supplied separately, allowing you to select the mounting component best suited to your trailer and compatible central roller assembly.
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$ 23.84
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1-2 weeks delivery time The Osculati Central Roller Support Tubes are designed for mounting central keel roller assemblies on boat trailers. Available in 30×30 mm and 40×40 mm square profiles, both versions are 300 mm long and provide a strong, reliable support for compatible Osculati central roller brackets. Each tube is supplied as an individual variant, allowing you to select the correct size for your trailer installation.
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$ 13.71
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1-2 weeks delivery time The Osculati Plate for Swinging Rollers is a mounting plate designed for installing swinging central roller assemblies on boat trailers. Compatible with selected Osculati central rollers, it provides a secure attachment point for swinging mechanisms and helps ensure proper roller positioning and smooth keel support during launching and retrieval.
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$ 11.23
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1-2 weeks delivery time The Osculati Central Roller Pins are replacement mounting pins for central roller assemblies on boat trailers. Available in 16 mm and 20 mm diameters, these steel pins are supplied in 208 mm and 210 mm lengths respectively, providing secure installation and reliable support for compatible Osculati roller systems during launching and recovery operations.
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$ 18.45
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What are the main components of a boat trailer parts, and how do they contribute to safe trailering?
A boat trailer consists of several key components that ensure safe and efficient trailering. The winch and winch strap assist in loading and securing the boat, while trailer guides and bunk brackets provide alignment and hull support. Trailer tires, axles, and bearings allow smooth towing, and brakes and springs enhance stability. Trailer lights and tail lights ensure visibility, especially in low-light conditions, while fenders, bow stops, and couplers contribute to overall security and protection during transport.
A well-equipped boat trailer also includes essential accessories such as boat trailer rollers, which help guide and support the boat during loading and unloading, preventing unnecessary strain on the hull. Trailer jacks provide stability when the trailer is stationary, while a secure tongue and coupler ensure a firm connection to the towing vehicle. Boat trailer lights and tail lights improve visibility for safe transportation, and guide-ons assist in proper alignment at the dock. Additional features like motor support, safety hooks, and waterproof components enhance durability and ease of use, making trailering more efficient and enjoyable. Regular maintenance, including replacing rusted parts and ensuring compatibility with pontoon or PWC trailers, further extends the life and functionality of the system.
What is the function of a boat trailer winch in loading and unloading a boat?
A Boat Trailer Winch is essential for loading and unloading a boat by providing controlled movement along the trailer bow and rollers. It uses a strong tie or strap to pull the boat onto the marine trailer, preventing strain on the engine and ensuring secure placement. Many trailer winches come with adjustable winch posts and corrosion-resistant hardware, making them reliable for both freshwater and saltwater conditions.
Why is a bow roller an essential component for smooth boat launching and retrieval?
A bow roller is essential for smooth boat launching and retrieval as it helps guide the boat onto the marine boat trailer while reducing friction and strain. By supporting the bow and preventing direct contact with metal components, it minimizes wear, corrosion, and potential damage to the hull. Additionally, a well-maintained bow roller works in conjunction with guide-ons and cross members to ensure proper alignment, making the loading and unloading process more efficient and secure.