Wheel bearing sizes Justice you should start a new thread for your question. This is the 198 Size Trailer Bearing buddy that fits hubs with outside cap diameter of 198.
These models both fit a hub bore diameter of 1980.
What size bearing buddy do i need. Remove the grease caps and measure the diameter of the opening the caps occupy. This is the hub bore. You will need an accurate measuring devices like a set of dial calipers that is accurate to 3 decimal places.
The Bearing Buddy pair you were looking at part BB1781 fits a 1781 inch hub bore. If it ends up your hub bore that is slightly smaller than 198 ID you can use the Bearing Buddy BB1980A-SS. Ive also linked our entire selection of Bearing Buddy bearing protectors for you to easily find and search once you have determined what size you need.
What size bearing buddy do I need. Most boat axle trailers use 1980 hub grease cap or bearing buddy. Grease guns are messy in general.
Some times it helps to hold the fitting on the gun tight to the fitting on the axle. However they do make different size fitting for the gun but most of the time the fitting that came with the gun will fit your. To measure your existing hub it is recommended to use digital calipers to get a precise measurement.
The measurement needs to be of the inner diameter of the hub bore. Once you have that measurement then you can choose the Bearing Buddy that is the next size larger. Measure the inside diameter of the hub or the outside diameter of the dust cap shoulder the part that fits into the hub with a caliper or micrometer.
The measurement needs to be in thousandths of inches They also show a size card to measure the. The card can be used to select a Bearing Buddy model based on the size of your dust cap. The 1980 and 1980A both fit a hub bore of 1980 inches however the 1980A has a blue ring which acts as a visual lubricant level indicator inside the hub.
Each hub is rated for 1750 lbs and the inside diameter where i installed the bearing buddies is 1980 I had to take off the zerk fitting to install the bearing buddies. The zerk fitting is a way to push the grease inside the hub to pack the bearings thus pushing the old grease out without having to take everything apart. The correct Bearing Buddy Bearing Protector like part BB1980A will be the one that matches the inner diameter of the hub bore opening on the trailer hub.
In order to obtain the correct Bearing Buddy Bearing Protector youll need a digital caliper like part 301-17068. The axle hub is filled with grease until the grease forces the Bearing Buddy piston outward about 18 inch. Because the piston is spring loaded the piston exerts a slight 3 PSI pressure against the grease which maintains a slight pressure between the inside of the hub and the outside environment.
When the hub is submerged water cannot enter. Buy the right size of Bearing Buddy caps before you remove the dust caps. Add a decimal after the first digit of the Bearing Buddy model number to know what the diameter is in inches.
Purchase the model number that corresponds to the diameter of your wheel bearings. The best way is to measure the inner bore diameter with calipers for a precise measurement. The size you measure will correlate with one of the GenuineBearingBuddy model sizes within - 0003.
If the measurement is 1980 or within 0003 of that then the GenuineBearingBuddy will be a model 1980. 21 Comments 9 Shares 16K Views. Not sure if I have a tru ryde or dexter brake but the hub is a 6x55 brake hub.
Is the 2441 size correct. How hard ist it to get the Buddy on if it is not threaded as the cheap dust cap was PITA. For your Dexter 5200 lb hub the Bearing Buddy part BB2441SS is the correct fit.
Installing it is pretty easy. Trailer Bearing Buddies are a great system for greasing your trailer bearings below are sizes for 4 Lug 5 Lug 6 Lug and 8 Lug Trailer Hubs. Each Listing for each Trailer Buddy Details the functions and advantages of using a Trailer Buddy over a Typically Dust Cap.
Trailer Buddies are used for axles that do not have the Posi-Lube Spindles. These models both fit a hub bore diameter of 1980. Model 1980A has a blue ring which acts as a visual lubricant level indicator inside the hub.
If the blue ring extends 18 past the snap ring located inside the barrel of the Bearing Buddy the hub is completely full. However you still need to take those bearings out and cleanrepack them every couple of years for the reason I alluded to above. I typically do it every 2 years some advocate doing it every year.
With a set of bearing buddies you probably could get away with every 4 or 5 years but you still need to have those wheels off at least that often. Measure the width of the spindle in this location with a digital caliper. Close the caliper arms around the spindle and read the measurement on its display.
Two common bearing sizes are bearing L44694 1063-inch width and L44643 1-inch width. This is the 198 Size Trailer Bearing buddy that fits hubs with outside cap diameter of 198. Simply put you can measure the outside face of your trailer hub to determine the correct width.
In addition this is the standard size for nearly all 4 Lug and 5 Lug trailer hubs. Look at the back of the bearing for the size that is stamped into the edge of the bearing. If you are only replacing the bearings you will want the same size that is stamped into the back of the bearing.
It may be std 010 020 or 030. Take the crankshaft to a machine shop for machining. Some hub bosses can vary by as much 02mm.
This variation in some manufacturers hub sizes can cause a loose-fitting bearing buddy. We recommend a medium strength locking compound on all bearing buddies. Some hubs do not have machined.
The trailer manufacturer is closed due to Covid 19 so specifics are going to be tough to come by. There are two rear seal sizes listed. Worst case I order them both.
The blog link above no longer works. Ive found several other forums referencing the Vault hub system but none are specific to our application. What do I do.
My experience with sealed bearings tells me two things. One a factory sealed and prelubed bearing will outlast one that someone is pumping to much grease into and two when you dip a warm or hot bearing into cold water it will definitely cool and suck water through the seal. If it deosnt do this on the first few dunks it will eventually do it.
Load Rite trailers should have one of three bearing sizes. 106 x 106 All WV Bandit Outlaw snowmobile trailers without brakes. 106 x 138 All 5 bolt hubs on trailers with.
Wheel bearing sizes Re. Wheel bearing sizes Justice you should start a new thread for your question. You will get way more answers.
You need to take the other side off to get your answer unless you can get the bearing numbers off the existing bearings. Probably should be doing the other side anyway for maintenance purposes.