Hubs & Stubs Hydraulic Brake Hub Sets

Hub Set 1500kg 5x4.5" PCD Braked Hyd Disc Cast Iron - Pair

NZ $567.00 excl GST
SKU: 65100
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Description

This 1,500 kg hydraulic disc brake hub set features a cast iron rotor with Geomet surface treatment, making it a durable and reliable choice for heavy-duty trailer applications. Designed for use in hydraulic brake systems, the kit includes high-quality Japanese NSK bearings and standard-sized components for easy integration into existing setups.

Key Features

  • 1,500 kg rating per pair
  • Cast iron rotor with Geomet treatment – robust braking performance with added corrosion protection
  • NSK Japanese bearings – high-quality tapered roller bearings for long life and reliability
  • Precision stub axles – machined for a secure, accurate fit
  • Marine-grade oil seal with stainless steel holder – enhances durability and protection
  • 5x4.5" PCD compatibility – Fits a wide range of trailer wheels

Applications

  • Heavy-use utility and plant trailers
  • Caravans with hydraulic disc brake systems
  • Road-going trailers requiring robust braking components
  • Brake system refurbishments and upgrades

Specifications

  • Load Rating: 1,500 kg per pair
  • Stud Pattern: 5×4.5" (114.3 mm) PCD
  • Stud Size: 3/4" UNF
  • Material: Cast iron
  • Brake Compatibility: Hydraulic disc brakes
  • Hub Finish: Galvanised hub with cast iron rotor, Geomet surface treatment
  • Axle: Stub axle, 39mm round, length 275mm
  • Bearings: NSK Tapered Roller Bearings (LM67048 & LM11949)

Kit Inclusions

  • 98930 Hub Cap 45mm suits 1500/1750kg Hub w/ Treadway logo, 2 pcs
  • 99609 Bearing H/S Tapered Roller LM67048 NSK, 2 pcs
  • 99608 Bearing H/S Tapered Roller LM11949 NSK, 2 pcs
  • 98840 Wheel Nut 1/2" Zinc, 10 pcs
  • 65122 Disc Hub 5x4.5" PCD Galvanised hub Braked Hyd Disc Cast Iron with Geomet surface treatment disc, 2 pcs
  • 98702 Split Pin S/S for 1500kg Hydraulic Hub Set 50mm length, 2 pcs
  • 98706 Axle Nut Castle Type 3/4 UNF suits 1500kg Hub Set 28mm 2 pcs
  • 98704 Washer 38x19.5x2.5 suits 1500/1750kg Hub, 2 pcs
  • 98900 Oil Seal Marine P6641 2pc for 1500kg Hub 37.5 ID, 69.5 OD Stainless Steel Holder, 2 pcs
  • 98910 Stainless Steel retaining Washer, 2 pcs
  • 65102 Stub axle 1500kg 275x39mm to suit hydraulic calipers, 2 pcs

FAQs

Q: Are calipers included?

A: Hydraulic calipers are available separately.

Q: What are the benefits of cast iron hubs?

A: Cast iron hubs are a popular choice for trailer braking systems due to their combination of strength, thermal performance, and cost-effectiveness. Here are the key benefits:

  • High Strength and Load Capacity: Cast iron has excellent compressive strength, making it well-suited for supporting heavy loads without deforming. This makes it ideal for medium- to heavy-duty trailers.
  • Superior Heat Dissipation: During braking, friction generates heat. Cast iron naturally dissipates heat efficiently, helping to maintain braking performance and reduce the risk of brake fade over time.
  • Durability and Wear Resistance: Cast iron is highly resistant to wear and abrasion, which contributes to a longer service life—especially important in braking components that experience repeated stress.
  • Stable Performance Under Load: Its rigidity and dimensional stability under high temperatures ensure consistent braking performance, even during prolonged use.

Q: Can I get axles with this kit?

A: Yes. You can add ready-made axles or custom fabricated axles to your order. To get axles made to your specifications, please visit:

https://www.treadway.co.nz/Resources/Axle-Fabrication.html

Q: What is Geomet surface treatment?

A: Geomet is a water-based zinc–aluminium flake coating, typically used in truck and car brakes. It provides long-lasting protection against rust and corrosion, is highly heat-resistant so it won’t burn off under braking, and is environmentally friendly as it contains no hexavalent chrome or heavy metals. It works through physical barrier protection, galvanic action (where zinc corrodes before steel), and passivation—forming a stable layer that slows further oxidation. This makes it ideal for trailer brake rotors, delivering durability, consistent performance, and reduced maintenance.

Q: Can I use this for boat or marine trailers?

A: For boat and marine applications, we recommend our range of stainless steel brakes. You may reach out to our team for help regarding specific parts. 

Specifications

Load Rating: 1500kg
PCD: 5 x 4.5inch

Questions?

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