For boat trailers, manufacturers recommend replacing the grease, which means removing, repacking, and reassembling each wheel on the trailer, every 3,000 to 4,000 miles, or annually even if you don’t travel very far.
How do you match a trailer hub?
If part numbers are not available on your bearings you can measure the spindle and hubs using a precision caliper. You need to take measurements to the nearest thousandth, such as 1.234-inches. These dimensions can be used to identify a compatible bearing and therefore allow you to find a compatible hub.
Grease: Proper lubrication is essential to the proper function and reliability of your trailer axle. Bearings should be lubricated every 12 months or 12,000 miles. You should repack your bearing cone by placing a small amount, roughly the size of a half-dollar, of grease into the palm of your hand.
How do I know what size hub is on my boat trailer? – Related Questions
How often should you repack boat trailer bearings?
How often should you repack your trailer bearings? The axle manufacturers recommend that you repack your trailer bearings once annually or every 12,000 km. If you are over-do for trailer wheel bearing maintenance, we would be happy to help you.
What is the best grease for boat trailer bearings?
White lithium grease is a multipurpose grease and is ideal for metal on metal lubrication, so you can use this for your wheel bearings, for instance. It’s also a superior corrosion-resistant formula, which is another reason it’s helpful in bearings and other parts that get routine exposure to the water.
How do you put grease on trailer hubs?
How do I know if my trailer bearings need grease?
Place your hand on each of the wheel hubs of the trailer. If it is too warm to hold your hand in place, you may have a bad bearing. The wheel bearing may; require lubrication, be bad or not have enough play.
How much grease do you put in a hub?
For traditional greases (NLGI Nos. 1 and 2), pump a ring of grease into the entire circumference of the wheel hub and coat the hub cap inner wall. The housing should only be half full of grease. Too much grease causes churning and higher temperatures.
How often should you add grease trailer wheel bearings?
When Should You Grease Your Bearings. With a larger travel trailer, you should grease your trailer wheel bearings every 10,000 miles or once a year, whichever comes first. If you have a smaller travel trailer, however, you’ll need to grease your wheel bearings every 2,000 miles.
How do you check wheel bearings on a boat trailer?
How tight should trailer wheel bearings be?
Pre-Loading Trailer Wheel Bearings
Tighten the spindle nut finger tight (until snug) and then with channel-lock pliers or a crescent wrench, tighten the spindle nut another 1/4 turn or about 15 to 20 ft pounds of torque.
How do you grease a boat trailer hub?
Is Marine grease OK for wheel bearings?
As a rule, marine grease should be used in any marine application including trailer wheel bearings, steering assemblies or any other parts that require grease.
Is Marine grease the same as wheel bearing grease?
The only real difference between the two greases is that the marine wheel bearing grease is much more hydrophobic so it repels water more effectively.
How do you keep water out of boat trailer bearings?
Grease-Filled Protection
Grease is kept around your boat trailer bearings by a seal on one side of the hub (preferably a double-lipped seal) and pressure from froma rubber plug or grommet positioned on the outside of the hub. But there are variations on this technique.
Is White lithium grease good for bearings?
Did you know a spray of WD-40 Specialist White Lithium Grease is a great lithium lubricant for bearings? It reduces friction on bearings and helps keep them protected from rust as well. Simply apply by spraying directly onto the area.
Typically lithium-based, it’s usually not water-resistant or waterproof, nor is it rated for use in bearing applications. While it would work in a pinch for boat-trailer bearings, it’s not the best grease for this application. White lithium grease is a popular multi-purpose grease.
How often should trailer wheel bearings be replaced?
Many trailer manufacturers recommend this maintenance every year if your trailer gets normal use, or at least every 20,000 miles.
How do I know if my boat trailer bearings are bad?