Couplemate Express Trailer Parts

NSK 3t Japanese Bearing Kit – Seal 64607

SKU: BEARING-KIT-3T Category: Brand:

Price

$75.00 Inc.GST

  • Fits 12-inch AL-KO drums
  • Includes seals and a DC3 dust cap
  • Seal 64607: 60.3 mm ID, 89.96 mm OD
  • HR30210 bearing: 50 mm ID, 89.96 mm OD
  • 29749 bearing: 38.10 mm ID, 65.06 mm OD

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NSK 3t Japanese Bearing Kit: Suits 12-inch Al-ko Drums

NSK 3t Japanese bearing kit to suit AL-KO, including seals and dust cap.

Kit details

  • Inner bearing: 50 mm ID, 89.96 mm OD (HR30210)
  • Outer bearing: 38.10 mm ID, 65.06 mm OD (29749)
  • Seal: 60.3 mm ID, 89.96 mm OD (64607)
  • Dust cap: 76 mm OD (DC3)

Key Features

Installation Instructions: NSK 3t Japanese Bearing Kit

  1. Check that the seal fits perfectly onto the axle journal before proceeding.
  2. Grease the ID before installation onto the axle.
  3. Insert a steel ring into the hub and ensure it is firmly against the outside boss.
  4. Insert the rubber seal over the axle journal.
  5. Install the hub and bearings over the rubber seal.

Push the hub firmly onto the rubber seal, and ensure the rubber seal is firmly against the axle shoulder.

The axle shoulder prevents the seal from sliding further down the axle.

3t Bearings fit these axle assemblies

Purchase complete Trailer and Caravan Bearing Kits here.

Frequently Asked Questions

  • What does the NSK 3t Japanese Bearing Kit include? This premium kit features high-grade, genuine Japanese NSK bearings paired with the high-performance Seal 64607 for maximum durability under heavy 3-tonne loads.
  • Why are genuine Japanese NSK bearings recommended? NSK is a global leader in precision engineering. Japanese-manufactured NSK bearings undergo strict quality control, ensuring exact tolerances and superior heat resistance.
  • Will this kit fit my specific 3t axle or hub assembly? Yes, if your system uses the 64607 seal profile and standard 3-tonne bearing configuration. Always verify your existing part numbers before installation.

Genuine NSK vs. Non-Genuine Kits

The right components directly affect your equipment’s safety and longevity. Here is what you need to know about opting for non-genuine alternatives.

Advantages of Non-Genuine Kits

  • Lower upfront cost: Cheaper than premium Japanese engineering.
  • High availability: Readily available from budget generic suppliers.

Disadvantages of Non-Genuine Kits

  • Premature failure: Lower resistance to friction and heat under heavy 3t loads.
  • Seal compromises: Substandard rubber compounds in generic seals lead to grease leaks and water ingress.
  • Increased downtime: Frequent replacements raise long-term maintenance costs.
  • Safety risks: Structural failure under load can cause catastrophic hub or axle damage.

Additional information

Weight 1.5 kg
Dimensions 10 × 10 × 10 cm
Country of Origin

Japan

Grease Seal Type

Standard

Hub Cap

3"

NSK Bearing #

29749/10, 30210J

Seal SKU

64607

Bearing Profile

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

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