Factory Price Auto Transmission System Part Clutch Release Bearing 70cl5791f0
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| Customization: | Available |
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| Vibration: | Zv1 Zv2 Zv3 |
| Hardness: | HRC60--62 |
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Comprehensive Guide to Truck Clutch Release Bearings: Models and Specifications
1. Introduction to Truck Clutch Release Bearings
The clutch release bearing (also known as a throwout bearing) is a critical component in a truck's clutch system. It serves as the pivotal interface between the rotating clutch assembly and the stationary release mechanism. When the clutch pedal is depressed, the bearing transmits the necessary force to disengage the clutch plate from the flywheel, enabling smooth gear shifts. Designed to withstand high axial loads, extreme temperatures, and continuous operation, a high-quality release bearing is essential for the longevity and reliability of heavy-duty truck transmissions.
2. Common Models & Specifications
Truck clutch bearings come in a wide array of models, often specific to OEM part numbers. Below is a detailed table of some of the most common models and their dimensions.
| Model Number | Dimensions (Inner Diameter x Outer Diameter x Width) mm | Common Applications / Compatible With |
|---|---|---|
| 85CT5740F3 | 85 x 125 x 24.5 | Generic Heavy-Duty Trucks |
| 78CT5737F3 | - | Generic Heavy-Duty Trucks |
| 70CL5791F0 | - | Generic Heavy-Duty Trucks |
| 54RCT3538F2 | - | Fitted with Carrier Assy |
| 996713K / 71 | - | Common replacement number |
| 665-02050B1 | - | Common replacement number |
| WG9725160510 | - | |
| 3151001039 | - | |
| 3151000985 | - | |
| 7485127008 | - | (Also fits: 1912687, 3151000493) |
| 21580956 | - | Trucks (Also 6482000155, 23417523) |
| 3100026531 | - | FH, FH12, FH16, FM, FL Series |
| 23867775 | - | Trucks |
| 24602826 | - | Trucks |
| 30502AA150 | - | other OEMs |
| 93TKL6301 | - | Various Automobile Applications |
| YL1601080-T0802 | - | Tianlong KL Tractor Truck |
| YL1601080-T13M0 | - | Dongfeng Tianlong KL Tractor Truck |
| 1250710 / 1303975 | - | OEM Trucks |
| 3182009938 | - | Often part of a clutch central slave cylinder kit |
Note: Dimensions for some proprietary OEM numbers are not always publicly listed and require cross-referencing with technical datasheets. The applications listed are common fits; always verify compatibility with your specific truck model and VIN.
3. Key Features and Manufacturing Standards
Robust Construction: Made from high-carbon chromium steel, hardened and tempered to resist wear and deformation under high stress.
Sealing Technology: Integrated contact seals (e.g., 2RS) protect the internal rolling elements from contamination by dust, moisture, and clutch debris, significantly extending service life.
Heat Treatment: Precision heat treatment ensures consistent hardness and durability, allowing the bearing to perform reliably in high-temperature environments generated by the clutch assembly.
Precision Grinding: Raceways and rolling elements are ground to ultra-precise tolerances for smooth operation, minimal noise, and reduced vibration.
4. Choosing the Right Bearing
Selecting the correct clutch release bearing is paramount. Always use the OEM part number from the original component or consult a detailed cross-reference guide. Using an incorrect bearing can lead to premature failure, clutch drag, and damage to the pressure plate and transmission input shaft.
5. Conclusion
The clutch release bearing is a small but vital component that ensures the efficient transfer of power in a truck's drivetrain. Understanding the common models and their applications helps maintenance professionals and owners make informed decisions, ensuring optimal performance and reducing costly downtime. For the best results, always source bearings from reputable manufacturers that adhere to international quality standards.
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