Description
CAT 350-2763 RETAINER
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CAT 350-2763 is a Caterpillar genuine shaft retainer (external snap ring) used to fix the axial position of bearings/gears. The following is purely precise information (no additional description) Cat®…:
Core Parameters and Information
Item Details
Part Model: CAT 350-2763 (3502763) Shaft Retainer (External Snap Ring)
Part Type: Standard shaft retainer, DIN 472 standard, axial positioning, prevents part movement
Material: 65Mn spring steel (hardened HRC47-51), galvanized and passivated surface (96-hour salt spray rust prevention)
Key Dimensions: Inner diameter 45.00mm, Outer diameter 52.00mm, Thickness 1.50mm, Opening width 4.00mm, Groove diameter 45.50mm (tolerance +0.10/-0.05mm), Groove width 1.60mm (tolerance +…) 0.10/-0.05mm)
Structural Features: Single opening, no ears or holes, round outer ring, suitable for shaft groove installation, elastic fastening
Matching: Installed in shaft groove, groove bottom diameter 45.50mm, groove width 1.60mm, axial clearance ≤0.05mm after installation
Rated Load: Axial load 12.5kN, operating temperature -40℃ to +120℃, elastic deformation ≤0.20mm
Weight: 0.018kg
Compatible Models and Assemblies:
Excavators: CAT 320D2, 323D2, 330D2 (slewing bearing, hydraulic pump bearing positioning)
Loaders: CAT 966K, 972M (gearbox gear shaft, drive axle bearing positioning)
Engines: CAT C13, C15 (camshaft, crankshaft bearing positioning)
Matching Parts: 350-2763 Retaining ring, bearing (624-3923), bushing (12-3456), lock nut (8T-4123)
Installation and Fitting Points:
Clean the shaft groove, ensuring it is free of burrs and rust. The groove surface roughness Ra≤1.6μm, and the groove bottom flatness≤0.03mm.
Use snap ring pliers for radial expansion during installation. Axial tension is prohibited. After installation, the retaining ring end face should fit snugly against the shaft shoulder without gaps.
After installation, check that the radial runout of the retaining ring is ≤0.05mm, there is no looseness, and there is no interference with adjacent parts.
Use dedicated snap ring pliers for disassembly to avoid deformation or breakage of the retaining ring. It should not be reused more than 3 times.
