275400262 XCMG GR2605 motor grader rim nut

275400262 XCMG GR2605 motor grader rim nut

The 275400262 rim nut is a specialized fastener for securing wheel rims on construction machinery. It is used to firmly fasten the wheel rim to the hub, ensuring a secure connection of the wheel assembly. Suitable for heavy-duty, high-frequency vibration operations, it features high strength, anti-loosening properties, wear resistance, and rust prevention. Easy to install, it is a fundamental component for the safe operation of wheel systems.

Core Technical Parameters

1. Model: 275400262, a dedicated nut for construction machinery wheel rims, precisely fitting the mounting interface of the main unit’s wheel rim and hub.

2. Compatible Medium: No specific medium required; primarily used for securing the wheel rim to the hub.

3. Material: 45# carbon steel/35CrMo alloy steel, heat-treated for high strength, tensile strength, and deformation resistance.

4. Operating Temperature: -40℃~120℃, suitable for harsh outdoor environments with high and low temperatures, dust, and oil contamination.

5. Surface Treatment: Zinc-plated passivation/blackening treatment for rust prevention, corrosion resistance, and wear resistance, extending service life. 6. Specifications and Dimensions: Thread specifications, outer diameter, and thickness are compatible with the main unit’s wheel rim bolts, ensuring precise matching with the wheel hub threads without additional adjustment.

7. Tightening Torque: Meets the standard tightening requirements of the main unit, can withstand heavy-duty vibration conditions, and is not prone to loosening.

8. Fit Precision: High thread precision ensures tight engagement with bolts and wheel hub threads, eliminating the risk of stripping or loosening.

Core Functions and Roles

As a core fastener in the wheel-side system, it achieves a secure connection between the wheel rim and the wheel hub, preventing the wheel rim from loosening or falling off during equipment movement and operation, ensuring equipment safety; it withstands vibration and impact loads during equipment movement, maintaining the stability of the wheel-side assembly connection; high-strength materials and precise thread design effectively resist tensile and shear forces, preventing nut deformation and stripping; rust-proof and corrosion-resistant surface treatment adapts to complex outdoor construction environments, extending service life and ensuring the safe operation of the wheel-side assembly.

Suitable Scenarios

Widely used in the wheel-side systems of various construction machinery such as excavators, loaders, bulldozers, and road rollers, these fasteners are used to secure the wheel rim to the hub. Suitable for heavy-duty, high-frequency vibration operations such as infrastructure construction, mining, earthwork, and road construction, they are an indispensable basic fastener for the wheel-side assembly, directly affecting the equipment’s walking safety.

Common Faults and Troubleshooting

If the nut is loose, check for insufficient tightening torque, thread wear, or excessive vibration. Retighten to the machine’s standard torque. If severely worn, replace the nut. If the thread is stripped, it is often due to overtightening or thread damage. Immediately replace the nut and corresponding bolt to prevent the wheel rim from loosening. If the nut is corroded, check for damage to the surface protective layer. Clean the corroded area and apply rust prevention treatment. If severely corroded, replace the nut. If the nut is deformed or broken, it is due to overload or impact and must be replaced immediately to prevent wheel-side connection failure.

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1 275400262 Wheel Rim Nut
2 803107805 M22×1.5 Plug
3 805300032 Washer 22
4 805047083 Bolt M16×1.5×80
5 805049078 Bolt M16×1.5×65
6 805338850 Washer 16
7 803163983 Breather Plug Type B
8 275400250 Cover Plate Assembly
9 275400251 Top Cover Plate
10 275400247 Balance Box
11 805048803 Bolt M14×1.5×60
12 805338262 Washer 14 13 275400248 Chain
14 275400060 Side cover plate
15 805046503 Bolt M8×16
16 275400140 Large cover plate
17 805046482 Bolt M12×30

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