Thermo King Jackshaft and Blowershaft Bearing Assembly 773125
Official OEM Thermo King parts catalog entry for the 773125, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King 773125 Bearing delivers OEM-grade reliability for jackshaft and blowershaft applications and supports consistent airflow and mechanical precision across Thermo King refrigeration systems. Designed to maintain temperature control and uptime for transport refrigeration fleets operating in harsh West Texas conditions.
Thermo King refrigeration system components require exact fit and dependable operation. The 773125 bearing supports long service intervals, precise rotation, and steady blower operation for reefer trailers and transport refrigeration units.
- OEM Fitment – Ensures accurate alignment with Thermo King jackshaft and blowershaft assemblies for secure, vibration-free operation.
- Durability – Engineered to withstand continuous duty cycles common in long-haul and regional refrigerated transport across Amarillo, Lubbock, Odessa, and the Permian Basin.
- Fleet Uptime – Reduces unscheduled downtime by maintaining blower efficiency and preventing premature wear on drivetrain components.
- Serviceability – Common maintenance item that technicians replace during scheduled inspections to restore blower performance quickly.
- Compatibility – Specified for use in Thermo King SL, SLX, SLXe series and related blower/jackshaft applications to maintain OEM alignment and performance.
Product Details
| Part Number | 773125 |
| Application | Bearing assembly for jackshaft / blowershaft (lower blower applications) |
| Compatibility | Thermo King SL, SLX, SLXe series; SLX 100 / 200 / 300; SMX SL (confirm with unit serial) |
| Brand | Thermo King OEM / approved aftermarket |
Efficiency & Sustainability
The 773125 bearing supports efficient temperature control by preserving blower balance and reducing power loss from worn drivetrain components. Properly maintained bearings contribute to fuel-efficient cooling and extend component life in diesel, Diesel Direct Electric, and Smart Reefer SR-4 equipped units. Use of OEM or certified replacement parts aligns with fleet sustainability goals and helps support CARB Evergreen strategies where applicable.
Installation & Maintenance Tips
Inspect bearings during scheduled service intervals and replace worn units to prevent collateral damage to shafts and housings. Install using recommended Thermo King procedures and qualified tooling. Consider replacing bearings in matched pairs where indicated and verify clearances and lubrication per Thermo King service guidance. Certified technicians at West Texas Thermo King perform installation and post-service checks to restore optimal blower function.
Real-World Applications
The Thermo King 773125 bearing is used in reefer trailers, refrigerated straight trucks, and transport refrigeration units where reliable blower and jackshaft operation is critical to maintaining temperature control for perishable cargo. It benefits fleets operating across West Texas routes, including Amarillo, Lubbock, Odessa, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or confirmation from the service department.
Frequently Asked Questions
Q: Is the 773125 bearing compatible with Thermo King SLX units?
A: Yes. The 773125 is specified for jackshaft and blowershaft applications in SLX-series units. Confirm compatibility with the unit serial number for precise fit.
Q: Should bearings be replaced in pairs?
A: Technicians often recommend replacing bearings in matched sets when wear affects multiple mounting points to maintain alignment and prevent premature failure.
Q: Can this bearing be installed during routine service visits?
A: Yes. Certified technicians install the 773125 during scheduled maintenance or repair visits, restoring proper blower operation and reducing downtime.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the 773125, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King 773125 Bearing delivers OEM-grade reliability for jackshaft and blowershaft applications and supports consistent airflow and mechanical precision across Thermo King refrigeration systems. Designed to maintain temperature control and uptime for transport refrigeration fleets operating in harsh West Texas conditions.
Thermo King refrigeration system components require exact fit and dependable operation. The 773125 bearing supports long service intervals, precise rotation, and steady blower operation for reefer trailers and transport refrigeration units.
- OEM Fitment – Ensures accurate alignment with Thermo King jackshaft and blowershaft assemblies for secure, vibration-free operation.
- Durability – Engineered to withstand continuous duty cycles common in long-haul and regional refrigerated transport across Amarillo, Lubbock, Odessa, and the Permian Basin.
- Fleet Uptime – Reduces unscheduled downtime by maintaining blower efficiency and preventing premature wear on drivetrain components.
- Serviceability – Common maintenance item that technicians replace during scheduled inspections to restore blower performance quickly.
- Compatibility – Specified for use in Thermo King SL, SLX, SLXe series and related blower/jackshaft applications to maintain OEM alignment and performance.
Product Details
| Part Number | 773125 |
| Application | Bearing assembly for jackshaft / blowershaft (lower blower applications) |
| Compatibility | Thermo King SL, SLX, SLXe series; SLX 100 / 200 / 300; SMX SL (confirm with unit serial) |
| Brand | Thermo King OEM / approved aftermarket |
Efficiency & Sustainability
The 773125 bearing supports efficient temperature control by preserving blower balance and reducing power loss from worn drivetrain components. Properly maintained bearings contribute to fuel-efficient cooling and extend component life in diesel, Diesel Direct Electric, and Smart Reefer SR-4 equipped units. Use of OEM or certified replacement parts aligns with fleet sustainability goals and helps support CARB Evergreen strategies where applicable.
Installation & Maintenance Tips
Inspect bearings during scheduled service intervals and replace worn units to prevent collateral damage to shafts and housings. Install using recommended Thermo King procedures and qualified tooling. Consider replacing bearings in matched pairs where indicated and verify clearances and lubrication per Thermo King service guidance. Certified technicians at West Texas Thermo King perform installation and post-service checks to restore optimal blower function.
Real-World Applications
The Thermo King 773125 bearing is used in reefer trailers, refrigerated straight trucks, and transport refrigeration units where reliable blower and jackshaft operation is critical to maintaining temperature control for perishable cargo. It benefits fleets operating across West Texas routes, including Amarillo, Lubbock, Odessa, and the Permian Basin.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or confirmation from the service department.
Frequently Asked Questions
Q: Is the 773125 bearing compatible with Thermo King SLX units?
A: Yes. The 773125 is specified for jackshaft and blowershaft applications in SLX-series units. Confirm compatibility with the unit serial number for precise fit.
Q: Should bearings be replaced in pairs?
A: Technicians often recommend replacing bearings in matched sets when wear affects multiple mounting points to maintain alignment and prevent premature failure.
Q: Can this bearing be installed during routine service visits?
A: Yes. Certified technicians install the 773125 during scheduled maintenance or repair visits, restoring proper blower operation and reducing downtime.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
