BEARING-MAIN (P/N 633398) - New Surplus
P/N: 633398
Category: Bearings & Bushings
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 4 Available |
Product Description
Part 633398 is a main bearing that supports rotating shafts in aircraft piston engines. This component carries radial loads from the engine crankshaft journal, maintaining precise alignment during operation. Constructed to SAE aerospace standards such as AS81820 (plain spherical) or AS8942 (PTFE-lined) depending on application requirements.
The bearing enables smooth rotation while distributing loads across the engine block structure. Installation and service follow the engine or aircraft maintenance manual specifications for torque, clearance, and lubrication requirements.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the BEARING-MAIN (P/N 633398)?
Part 633398 is a main bearing that supports rotating shafts in aircraft piston engines. This component carries radial loads from the engine crankshaft journal, maintaining precise alignment during operation.
Does the 633398 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The BEARING-MAIN conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
What material is the 633398 manufactured from?
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 633398.
Can I order the 633398 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BEARING-MAIN is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.