Air Bearings
Mechanical passenger car light medium and heavy duty truck applications：Includes Universal Joint dimensions & related parts
Ujoints with 4 plain round bearings
First measure the outside diameters of two adjacent bearings to see if they are the same or different
Locate the diameter(s)
in the first column using the smaller diameter first if the bearings are of two sizes.
Second remove the seals from two bearings opposite each other and re-install the bearings on the cross.
Measure the overall dimension and locate it in the second column.
Note the measured dimension should be slightly less than that shown. If necessary note the type and location of any lube fittings.