New Trailer Wheel Bearings Installed! Smooth Ride Guaranteed / ordering parts

Here’s a New Zealand–standard YouTube description, aligned with common NZ trailer bearings and safety practices. You can copy-paste this directly:

Description (NZ Standard):

In this video, I demonstrate how to install new wheel bearings on a light trailer, following New Zealand trailer maintenance and safety practices.
Regular bearing servicing is essential for safe towing, WOF compliance, and preventing hub overheating or wheel loss—especially for boat and utility trailers.

How to Install Trailer Wheel Bearings (NZ Method):
1. Park trailer on level ground and apply handbrake
2. Use wheel chocks and safely jack up the trailer
3. Support with jack stands (never rely on jack alone)
4. Remove wheel and dust cap
5. Remove split pin (cotter pin) and castellated nut
6. Remove hub assembly
7. Clean hub, spindle, and bearing races thoroughly
8. Inspect spindle and races for wear or scoring
9. Pack new bearings with high-temperature marine or lithium wheel bearing grease
10. Install inner bearing and new grease seal
11. Refit hub, outer bearing, washer, and nut
12. Adjust bearing preload: tighten while rotating hub, then back off slightly until free-running
13. Install new split pin and dust cap
14. Refit wheel and torque wheel nuts correctly

Spin the wheel and check for smooth, quiet operation with no play.

Common NZ Trailer Bearing Part Numbers (Light Trailers):
(Very common on NZ 750kg–2000kg axles – always confirm before purchase)
• Inner Bearing: L68149
• Inner Race (Cup): L68111
• Outer Bearing: L44649
• Outer Race (Cup): L44610
• Grease Seal (Common NZ sizes):
• 10-19 (most common)
• 171255 (marine/boat trailers)

Typical NZ Trailer Setup:
• 39mm or 45mm square axle
• 4-stud or 5-stud hubs
• Parallel bearings (most light trailers)

Tools & Materials Used:
• Jack & axle stands
• Wheel brace / socket set
• Long-nose pliers
• Bearing packer or hand-pack method
• High-temp wheel bearing grease
• New split pins & grease seals

Tip: For boat trailers in NZ, service wheel bearings at least once a year or every 10,000 km, and always after saltwater use.

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NZ Trailer Wheel Nut Torque Specs (Common)

⚠️ Always confirm with your hub or trailer manufacturer
• 4-Stud / 5-Stud Light Trailer (Steel Rims):
90–110 Nm
• Alloy Trailer Rims:
100–120 Nm
• Re-torque after:
50–100 km of towing

🔧 Tighten wheel nuts in a star pattern to ensure even seating.

⸻

Bearing Adjustment Tip (NZ WOF Friendly)
• Tighten the hub nut while rotating the hub
• Back off slightly until the hub spins freely
• No binding, no excessive play
• Split pin must align without overtightening

This setup helps pass NZ WOF/COF checks and prevents overheating.

⸻

Recommended Grease (NZ Conditions)
• Marine grease for boat trailers
• High-temp lithium grease for utility trailers
• Avoid mixing different grease types


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