What size is my trailer hub?
Cargo and utility trailers with 5 lug hubs are commonly found with a 5” bolt circle. To correctly measure the bolt circle of a hub, measure from the center of the hub to the center of a stud and multiple that measurement by two. The second specification to determine is the Inner and Outer bearing size.
What size are boat trailer bearings?
Boat trailer bearing kit with the proper size bearings, races, and a double lip grease seal. Note: Bearing kits are usually one of five sizes: 3/4″, 1″, 1-3/8″, 1-1/4″, 11/16″. If unsure, each bearing and race has a stamped part number.
How often should you replace boat trailer hubs?
Every 3,000 to 3500 miles or annually, whichever comes first. Manufacturers recommend to remove old contaminated grease from the hub and repack with new grease instead of just adding more.
How do I know what weight my trailer axle is?
To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity.
How do I know what size my hub is?
Place a tape measure across the face of the exposed wheel hub, which it protrudes out from the center of the drum brake assembly. Take the measurement across the front of the hub, which is the diameter of the hub. Make sure your tape measure intersects the center of the hub.
How much does it cost to have trailer bearings repack?
So, how much does it cost to pack wheel bearings on a trailer? Surprising little, expect to pay as little as $100 and at most $400. If you want to save some money you can do it yourself, but in my opinion, it’s not worth it unless you have ample experience and all the necessary tools.
How many hubs are in a boat trailer?
In short, there are 5 Main arrangements. The Spindle is the portion of the Axle that the Bearings rotate around and that hold the Hub. You will see each of these Hubs has a Capacity as well, this is related directly to the capacity of the axle that these hubs would mount to.
How big is a cast iron trailer hub?
Pre-greased hub is ready to use right out of the package. 1250 lbs. capacity each. Includes: 1 hub, bearings, seal, dust cap, pin & lug nuts. Pre-greased hub is ready to use right out of the package. Cast Iron hub is rated at 1250 lbs. capacity each.
How big is a 4 lug trailer hub?
The first specification to determine is the number of studs/bolts and the ‘bolt circle’ diameter. Most 4 lug hubs have a 4” bolt circle and most 5 lug boat trailer hubs have a 4-1/2” bolt circle diameter. Cargo and utility trailers with 5 lug hubs are commonly found with a 5” bolt circle.
How do you Grease a boat trailer hub?
Thoroughly grease the bearings by working grease around rollers then pack the hub interior before installing a new grease seal in the back of hub. Bearing grease quality and compatibility is another important consideration, especially for boat trailers that are commonly submerged in water after a long road haul.