How To Measure Trailer Axle For Bearings
Measuring your trailer axle correctly is very important when ordering a new one. We include both a 1 1/4 inner diameter grease seal and a 1 1/2 inner diameter grease seal.
Unfortunately there's no way for me to know what bearing size the hub on your 1958 boat trailer uses.
How to measure trailer axle for bearings. Keeping this in view, are all trailer bearings the same? Trailer wheel bearings are specific to the spindle that is installed on the axle on. You will only use (1) of those grease seals per hub.
Be careful not to measure to the inside of the hub, only the outside. Measure the overall length of the axle including the end of the spindle. To do this wheels and any hubs must be removed.
The axle will either have brakes (braking axle), or no brakes (idler axle). 1.select your axle based on the current style you currently have on your trailer. It is important to know what axle type you have when reusing old mounting hardware and for proper tire.
This will help your local parts distributor find suitable replacement parts. Also, how do i know what size bearing buddy i need? Pull out the tape measure to the outside face of the good hub and write down the measurement.
Hold the end of a tape measure in the middle of the spring on the good side of the axle. The bearings are housed on either side of the drum. For the l68149 bearing, the l68111 race is commonly used.
Measurement # 2 = spring center. In either case, the hub face (hf) measurement is measured to the same place, the outside face of the hub that holds the tires on. Even with a bent trailer axle you usually can still get the correct measurements.
All cambered axles should be mounted with the center bow up. How to measure for replacement hub bearings. With the brakes out of the way, the axle spindle and wheel bearing are up next on the service agenda.
Measure from the center of 1 leaf spring to the outside of the nearest hub. Measurement # 1 = axle track. The last thing you would want is to order a new axle and order the wrong size.
Under slung mounts have the spring mounted below the axle and over slung mounts have the spring mounted on top. Remove the dust cap and measure it's outside diameter. You will need to pull one of the existing hubs and check for a number stamped inside the bearings themselves or measure along the spindle where they sit to get their inner diameters.
This kit includes (2) grease seals. Many trailer axles are cambered or 'road set' so there is a bow until weight is put on the axle. (the face is where the wheel sits against the hub.) the measurement from the center of one spring pad to center of the other.
The most common bearings used on this size axle are the l68149 for the inner bearing and l44649 for the outer bearing. How do you measure the hub face on a trailer axle? How to measure a trailer axle.
With standard bearings, the inner bearing is larger than the outer, but with parallel bearings they're the same size. You want an axle that is similar to the one currently under the trailer to avoid any problems with clearance. Using a digital caliper, measure both bearings and the spindle.
The measurement from the face of one hub to the face of the other. Torsion axles will not have springs, but will have an arm that sticks out. Most trailer axles are measure by the hubface and spring center.
Let's refer to this chart: How to measure an axle. Axle size determines bearing size, which must.
This includes but is not limited to frame, axle, spindles, hubs, bearings, wheels, tires, springs and all hardware. The suspension is inside the axle. Hub face (hf) and spring centers (sc) are what we use to determine your axle width and placement.
When replacing a trailer axle try to determine how it was previously mounted. Make sure you measure your bolt pattern on 5lug axles as there are many different sizes. 1 hub, 25mm metric bearings, seal, dust cap, tang washer, flat washer & lug nuts.
How to order an axle. To obtain the hub face measurement, first hook your tape measure to outside art of hub, that is the part of the hub that is facing the wheel. Measure across the axle to the exact same spot on the opposite side.
(generally adding 2” to the spring center measurement can determine the frame width.) also check out the common axles. When selecting an axle it is important to determine the axle capacity required for your trailer. Trailer capacity is based on the lowest capacity of the trailer components.
Venture 25mm bearing, 4 on 4 stud metric wheel hub kit #204062. Complete kit to replace your races, bearings, and seal for your 1 inch spindle. Most manufacturers provide service limit specifications for the shoes, drums, and magnets so you or your technician can actually measure wear and determine the correct maintenance path.
It is important to note, however, many boat trailer manufacturers use this bearing with a l68110 race, which has a larger outer diameter of 2.327 inches. In australia the maximum trailer width is 2.5 metres. Inner and outer bearing number 44643.