3K0139 Straight Sleeve Bearings fit Caterpillar
3K0139 Straight Sleeve Bearings fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3K0139 Straight Sleeve Bearings fit Caterpillar — SKU 3K0139
The 3K0139 Straight Sleeve Bearing is a cylindrical bearing used to support rotational motion between frame links and an attachment on Caterpillar equipment. It belongs to the Dimpled & Milling Bearings category and is made of steel. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The bearing is intended for installation in linkage and attachment pivot locations where a straight sleeve design is required. The available application data identifies this part for Caterpillar tracked bulldozers, track loaders, and wheel loaders. The listed machine designations are provided below; confirmation against the machine serial number and the dimensions of the removed bearing is recommended before installation.
Fitment
| Equipment manufacturer | Caterpillar |
| Machine type | Tracked bulldozers |
| Tracked bulldozer series | 4, 5, and 6 |
| Machine type | Track loaders |
| Track loader models | 951, 955, and 977 |
| Machine type | Wheel loaders |
| Wheel loader model | 966C |
The fitment information applies to the Caterpillar machine series and models listed above. The part is described as a bearing for machine links and attachment-related pivoting connections; the exact installation position may vary by machine configuration.
Cross-reference numbers
| Caterpillar equipment manufacturer reference | 3K-0139 |
| Compact part number format | 3K0139 |
Both number formats identify the same bearing reference: 3K-0139 and 3K0139. The SKU for this product is 3K0139.
Specifications
| Part type | Straight sleeve bearing |
| Category | Dimpled & Milling Bearings |
| Material | Steel |
| Inner diameter | 2.76 in |
| Outside diameter | 3.25 in |
| Overall length | 2.46 in |
| Internal feature | Inner groove |
| Cross holes | Not present |
| Outer grooves | Not present |
| Weight | 1.7 lb |
| Listed dimensions | 9 cm length, 9 cm width, 9 cm depth |
The principal bearing dimensions are an inner diameter of 2.76 inches, an outside diameter of 3.25 inches, and an overall length of 2.46 inches. The listed 9 cm length, width, and depth are included as the dimensional data supplied for the product. The component has an inner groove and does not have cross holes or outer grooves.
Before assembly, compare the bearing dimensions, groove configuration, and part-number reference with the existing component and the Caterpillar machine documentation. The fitment information does not specify a complete machine serial-number range or installation kit contents.
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