8N8976 Main Bearing 0.010 fit Caterpillar
8N8976 Main Bearing 0.010 fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Characteristics 8N8976 Main Bearing 0.010 fit Caterpillar
8N8976 Main Bearing 0.010 for Caterpillar Equipment — SKU 8N8976
8N8976 is a main engine bearing with an undersize specification of 0.010, used in Caterpillar equipment and engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The bearing is listed for Caterpillar machines and power units across several equipment categories, including track-type tractors, loaders, excavators, track loaders, industrial engines, truck engines, ship equipment, engine-generator sets, and forest machines. Fitment depends on the engine and bearing specification installed in the particular machine.
Fitment
- Track-type tractors: Caterpillar 3, 3P, 4, 4A, 4P, 4S, 53, 54, 55, 5A, PAT D3, D3B, D4H, D5C, D5C PAT, and D5C PATLGP.
- Multifunctional loader with attachment kit: Caterpillar IT12.
- Wheel-type loader: Caterpillar 910.
- Truck engine: Caterpillar 3208.
- Industrial engine: Caterpillar 3208.
- Ship equipment: Caterpillar 3208.
- Track loaders: Caterpillar 931, 931B, 943, and 953.
- Skidding tractor: Caterpillar 4P54H.
- Excavators: Caterpillar 215, 225D, and 231D.
- Engine-generator set: Caterpillar 3208.
- Forest machine: Caterpillar 227.
The listed applications include several Caterpillar models that use the 3208 engine designation. For machine service work, the engine model, bearing undersize, and existing bearing identification should be checked before installation. The 0.010 specification identifies the bearing size stated for this part and should be matched with the crankshaft journal measurement and the applicable engine service data.
Cross-reference numbers
- 8N8976T — number under which this main bearing is also listed.
SKU 8N8976 identifies the product in this listing. The cross-reference number 8N8976T is included for catalog matching and parts identification.
Specifications
| Part type | Main engine bearing |
| Undersize | 0.010 |
| Equipment brand | Caterpillar |
| Part condition | New |
| Part classification | Aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| SKU | 8N8976 |
| Listed cross-reference | 8N8976T |
| Weight | 0.4 lb |
| Length | 9.3 cm |
| Width | 4 cm |
| Depth | 9.3 cm |
The supplied dimensional data is 9.3 cm in length, 4 cm in width, and 9.3 cm in depth. The stated weight is 0.4 lb. No additional components are specified as included with this individual main bearing listing.





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