Overview
The Crown Automotive 83506078 is a rear-position needle bearing for the input shaft of an AX15 transmission, made for Jeep Cherokee XJ, Grand Cherokee ZJ, Wrangler TJ and Wrangler YJ models.
Needle bearings use thin rollers to carry load in a small space. This one is catalogued as an AX15 input shaft bearing, and the fitment entries below show the trims Crown covers.
Key features
- Needle bearing for the AX15 input shaft
- Listed position is rear
- Same Jeep model list as the AX15 main drive gear bearing family
- Crown part number 83506078 with UPC 848399026696
Needle bearing care
Needle bearings have many small rollers in a thin cage, which lets them fit in tight spaces but leaves little room for error. They rely on a clean bore and steady lubrication, and once a roller flattens the whole set can fail quickly. Because input shaft bearings sit in an area fed by transmission fluid, the fluid’s condition has a direct effect on how long they last.
Inspect the input shaft bore for scoring or wear before fitting a new needle bearing, since a worn bore can spin the bearing or let it sit crooked. Clean the bore thoroughly and check that the shaft spins smoothly with the bearing in place. Confirm the bearing seats square and that the cage is not bent before reassembly.
- Inspect the bore for scoring
- Keep fluid clean and at the correct level
- Confirm the bearing seats square
- Spin the shaft by hand to check for binding
Specifications
| Brand | Crown Automotive |
|---|---|
| Part number | 83506078 |
| UPC | 848399026696 |
| Part type | Needle bearing for input shaft |
| Transmission | AX15 |
| Position | Rear |
| Fitment | Direct fit |
Vehicle fitment
It fits 1989-1999 Jeep Cherokee (XJ) in nine trims, 1993 Jeep Grand Cherokee (ZJ) in Base and Laredo, 1997 Jeep Wrangler (TJ) in Sport, and 1988-1995 Jeep Wrangler (YJ) in several trims.
Years and models beyond these entries, including later Wrangler generations, are not in the list. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Access to this bearing requires opening the AX15 transmission, so plan the work around a full teardown.
