Product Description
BEARING
Frequently Asked Questions
Q: What is the YL 129159035 bearing used for?
A: The YL 129159035 is a Yale OEM bearing designed for electric lift truck motors and drivetrain assemblies. It supports motor shafts and transmission components under load in Yale electric pallet jacks and walkie stackers.
Q: What are the specifications for the YL 129159035 bearing?
A: The YL 129159035 is a sealed ball bearing with OEM specifications for Yale electric lift trucks. Bore diameter, outer diameter, width, and load ratings vary by application. Contact us with your equipment model and serial range for exact dimensional specifications and bearing type (deep groove ball, cylindrical roller, or tapered roller).
Q: How do I know if the YL 129159035 bearing has failed?
A: Failed or failing bearings produce audible noise including grinding, squealing, or rattling from the motor or drivetrain. You may also notice excessive vibration, resistance during lift or travel, or increased friction. If the bearing is seized, the motor will not spin freely. Replace immediately to prevent motor damage.
Q: What is the typical lifespan of the YL 129159035 bearing?
A: Bearing lifespan depends on load, usage frequency, operating temperature, and maintenance. Yale OEM bearings typically function for 2 to 5 years in normal material handling use. Sealed bearings are maintenance-free; do not attempt to relubricate or clean the bearing.
Q: Are there equivalent part numbers for the YL 129159035?
A: The YL 129159035 is a Yale OEM part. We can provide cross-reference information for equivalent bearings from Crown, Toyota, Raymond, and other major lift truck manufacturers. Provide your equipment model and bearing location to verify compatibility.
Q: Does the YL 129159035 bearing require maintenance?
A: No. The YL 129159035 is a sealed bearing designed for lift trucks. Sealed bearings do not require greasing, oiling, or cleaning. Attempting to open the seal or add lubricant will compromise the bearing and void performance. Replace only when bearing noise or failure occurs.