National Stock Number
Tapered Roller Bearing Cup — Bearings, Antifriction, Unmounted (FSC 3110) · Part No. MIL-DTL-197M
| National Stock Number | 3110-00-100-0323 |
|---|---|
| Item name | Tapered Roller Bearing Cup |
| FLIS item name | Cup, Tapered Roller Bearing |
| Part number (commercial reference) | MIL-DTL-197M |
| Alternate references | T1-114; 8143-A; 4D522; 2X6508B; T107A; 16T1189 |
| Unit of issue | EA |
| NIIN | 001000323 |
| NIIN assigned by | United States (NCB code 00) |
| Federal Supply Class (FSC) | 3110 — Bearings, Antifriction, Unmounted |
| Federal Supply Group (FSG) | 31 — Bearings |
| Unit price (USD) | $25.50 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this tapered roller bearing cup. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Overall |
|---|---|
| Outside Diameter | 4.0000 Inches Nominal |
Rolling-element bearings including ball, roller, needle, and tapered roller bearings that support rotating shafts with minimal friction.
The outer cup component of a tapered roller antifriction bearing.
Price in context. Across the 54 items we currently stock in FSC 3110 (Bearings, Antifriction, Unmounted), published unit prices run from $10.52 to $3,504.60. At $25.50, this item sits well below the class median of $105.14 — commodity hardware usually bought in volume.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-07-22, with a lot quantity of 307 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Rotating assemblies in engines, gearboxes, wheels, and driven equipment.
Applicable standards. ABEC/ISO 492 tolerance classes, AFBMA/ANSI standards.
NSN 3110-00-100-0323 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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