Many times in life, the model of the universal joint cross is difficult to distinguish, so how should you easily distinguish these different types of universal joints?

First, find the correct U-shaped universal joint

The second step is to measure the size of the bearing cover. For the traditional style of pressing in the yoke, the diameter of the bearing cover needs to be measured; for the wing-shaped bearing cover, the size of the bearing cover can be measured by measuring the hole spacing. Even bearing covers of the same size and style need to be measured separately.

The third step is to measure the assembly of the U-shaped universal joint. Measure and assemble according to the correct pattern found at the beginning.

1. U-joint bearings include ordinary circular bearings, knurled circular bearings and slotted circular bearings. For this type of bearings, the grease boots need to be removed, and a C-clamp or vice is used to apply slight pressure on both ends of the cup. To ensure that the bearing cap is fully seated, then turn the U-shaped universal joint for manual operation and measure the entire length one by one.
2. The U-groove circular bearing, that is, the circular bearing with grooves, needs to remove the oil shoe and apply tight pressure on the two ends of the cup-shaped piece with a C-clamp or vice to ensure that the cover is fully seated. Turn the connecting beam of the U-shaped universal joint by hand. Measure the inner edge of the groove of the locking ring on a bearing so that it spans to the same point on the opposite bearing. Measure the thickness of the lock ring and add its thickness to the first measurement.
3. U-welded plate bearings, that is, welded plate bearings, remove the grease boots, and use C-clamps or vise to apply slight pressure on both ends of the cup to ensure that the cap is fully seated, measure the distance between the opposite plates The distance of this part should not include the plate thickness.
4. U-coupled bearings, that is, wing bearings, measure the distance between the straight holes between each other and the guide diameter. In this process, you need to pay attention to the wing style.

Regardless of the type of U-shaped universal joint, the size selected should be slightly smaller than the size used to find the part number.

Finally, access the online catalog database and use the measured values to determine the gimbal suitable for your precision universal joint.