The 860517092 Retaining Ring is a genuine XCMG precision fastener used for axial positioning of bearings, gears, and shafts in motor grader drivetrains and undercarriage assemblies. This external snap ring, manufactured from high‑grade spring steel, provides reliable locking force to prevent component migration under vibration, shock, and heavy grading loads. The 860517092 retaining ring is fully compatible with XCMG GR135, GR165, GR180, GR215, GR260, GR300, and GR350 motor graders.
Engineered to exacting tolerances, the 860517092 retaining ring features a uniform gap and carefully designed lug holes for installation with standard circlip pliers. The ring’s constant‑section profile ensures even radial pressure around the shaft or housing bore, eliminating point stresses that could damage mating components. Replacing a worn, bent, or fatigued retaining ring with the genuine 860517092 restores proper clamping force and prevents catastrophic bearing or gear walk‑out.
Proper axial retention is critical for motor grader reliability. A missing or deformed retaining ring allows bearings to shift, causing misalignment, excessive play, and eventual gear tooth damage. The 860517092 retaining ring is phosphate‑coated for corrosion resistance and shot‑peened to enhance fatigue life under cyclic loading. Trust XCMG original parts to keep your grader’s rotating assemblies securely locked in place.
| Parameter | Specification |
|---|---|
| OEM Number | 860517092 |
| Brand | XCMG (Genuine Original Equipment) |
| Product Type | External Retaining Ring / Circlip (Snap Ring) |
| Nominal Diameter (Shaft) | 40 mm (ISO metric series) |
| Groove Diameter (Recommended) | 38.5 mm ±0.1 mm |
| Ring Thickness | 2.0 mm (±0.05 mm) |
| Radial Width | 3.8 mm (±0.1 mm) |
| Material | Spring Steel (65Mn / SAE 1065), cold‑formed |
| Hardness | 44–50 HRC (Rockwell C) |
| Surface Treatment | Phosphate coating (zinc phosphating) + oil dip |
| Corrosion Protection | 240+ hours neutral salt spray (ASTM B117) |
| Maximum Permissible Thrust Load | 12,000 N (static, safety factor 2.0) |
| Operating Temperature Range | -50°C to +150°C (-58°F to +302°F) |
| Standards | ISO 4718, DIN 471 (external type) |
| Compatible Models | XCMG GR135, GR165, GR180, GR215, GR260, GR300, GR350 |
| Superseded Part Numbers | 860517001, 860517045, 860517078 |
The XCMG 860517092 retaining ring is a small but mission‑critical component that prevents axial movement of bearings, gears, and shafts within the final drive, transmission, and wheel hubs. Without it, rotating elements can slide along shafts, causing misalignment, vibration, and rapid wear.
In a motor grader, the 860517092 is typically installed on output shafts, differential side gears, and tandem drive pinions. Its precise fit into a machined groove ensures that bearings remain correctly preloaded and that gear mesh is maintained under heavy ripping and grading forces.
A fatigued or deformed retaining ring loses clamping force, allowing components to shift. This can result in gear tooth contact pattern changes, increased backlash, overheating, and eventual seizure. Replacing a damaged ring with the genuine 860517092 restores original factory retention.
Each 860517092 retaining ring is produced from high‑grade 65Mn spring steel, which offers exceptional elastic properties and fatigue resistance. The steel is cold‑rolled to precise thickness and then stamped using progressive dies with tight dimensional controls.
After stamping, rings undergo controlled heat treatment to achieve a hardness of 44–50 HRC. This provides the necessary spring tension while maintaining ductility to avoid brittle fracture. The lug holes are deburred to prevent stress risers and ensure smooth plier engagement.
A zinc phosphate conversion coating is applied, followed by a light oil dip. This finish provides excellent corrosion protection (240+ hours salt spray) while reducing friction during installation. XCMG’s quality lot testing includes 100% dimensional inspection and load deflection tests.
Replacing the 860517092 retaining ring requires removing the hub or cover that retains the shaft. Clean the shaft groove thoroughly to remove rust, dirt, or old sealant. Inspect the groove for burrs or wear – damaged grooves must be reworked or the shaft replaced.
Use external circlip pliers with tips that fit the lug holes of the 860517092. Compress the ring slightly and slide it over the shaft end until it snaps into the groove. Ensure the ring sits flat and fully seated; there should be no gap at the groove bottom. Never reuse a retaining ring that has been overstretched.
After installation, push the bearing or gear against the ring and check for axial play using a dial indicator. Permissible end play should be less than 0.1 mm. Rotate the assembly to confirm that the ring does not contact any moving parts. Keep spare 860517092 rings in your parts inventory.
Typical signs that the 860517092 retaining ring needs replacement: excessive bearing end‑float (detected by levering the bearing), audible clicking or knocking during direction changes, visible deformation or cracking of the ring, and rust pitting on the surface.
If a retaining ring breaks, the bearing or gear can slide off the shaft, causing immediate loss of function and severe damage to housings. Do not operate the grader if axial play exceeds specifications. The cost of a genuine 860517092 ring is minimal compared to a transmission rebuild.
Aftermarket retaining rings often use low‑carbon steel or untreated spring steel that loses tension after a few thermal cycles. They may be cut from tubing (not cold‑stamped) with irregular cross‑sections, leading to uneven radial pressure and groove damage.
Counterfeit rings frequently have poorly formed lug holes that make installation difficult, or the ring may be undersized, failing to engage the groove fully. The genuine XCMG 860517092 is manufactured to exacting DIN/ISO standards, with consistent material properties and shot‑peened edges to resist fatigue cracking.
XCMG provides a 12‑month warranty against manufacturing defects. Genuine rings are individually marked with the XCMG logo and part number. Using genuine XCMG retaining rings secures your grader’s critical rotating assemblies and avoids costly unplanned downtime.
Inspect the 860517092 retaining ring every 1,500 operating hours or during any drivetrain service. Look for signs of fretting, corrosion, or deformation. Also check the shaft groove for wear or hammering – a worn groove will not securely hold a new ring.
Replace the retaining ring whenever bearings or gears are replaced on the same shaft. The ring’s spring tension degrades over time; reusing an old ring with new bearings invites premature failure. Preventive replacement avoids hidden fatigue cracks.
Keep a stock of 860517092 rings in your service truck. During lubrication or bearing checks, use a borescope to inspect the ring through an access port when possible. A properly seated ring ensures that your grader’s drivetrain remains reliable and efficient.
The 860517092 Retaining Ring is stocked in XCMG regional warehouses: Houston (North America), Rotterdam (Europe), Dubai (Middle East), and Shanghai (Asia). Standard air freight delivers within 3‑7 business days; expedited shipping (1‑2 days) is available for urgent repairs.
Each ring is individually packed in VCI anti‑corrosion bags to prevent rust during storage. Bulk orders (50+ rings) receive volume discounts and can be shipped via sea freight. For large fleets, consignment stock programs ensure immediate availability and reduce downtime.
Order the genuine XCMG 860517092 Retaining Ring today and secure your motor grader’s axial retention system. Whether you are performing a full transmission overhaul or replacing a single bearing, the 860517092 guarantees correct fit, proper spring force, and long‑term reliability. Don’t let a failed retaining ring cause component migration and expensive damage.
Upgrade your maintenance strategy with OEM‑grade XCMG fasteners. The 860517092 retaining ring reflects XCMG’s commitment to precision, durability, and safety. Trust genuine parts to keep your GR series motor graders operating smoothly under the most demanding earthmoving and road‑grading conditions.
