Acquisition method (AMC)
1
FSC 3110 × BEARING,BALL,ANNULAR
BEARING,BALL,ANNULAR
3110-01-287-0931 FSC 3110
NSN 3110-01-287-0931 (also written 3110012870931; NIIN 01-287-0931) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 7 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| OVERALL WIDTH ABMK | INCHES NOMINAL 0.1250 |
| BORE DIAMETER ABXV | INCHES NOMINAL 0.1875 |
| FLANGE OUTSIDE DIAMETER AEPR | INCHES NOMINAL 0.3590 |
| FLANGE WIDTH AGFF | INCHES NOMINAL 0.0230 |
| OUTER RING OUTSIDE DIAMETER AGVV | INCHES NOMINAL 0.3125 |
| SURFACE FINISH AGYE | GROUND |
| RETAINER FABRICATION METHOD AGYF | PRESSED |
| SHIELD QUANTITY AGYK | 2 |
| ALIGNMENT TYPE AGZA | RIGID |
| LOAD DIRECTION AGZC | RADIAL |
| BORE SHAPE AGZD | STRAIGHT |
| INTERNAL CLEARANCE AKVV | INCHES MINIMUM RADIAL 0.0001 AND INCHES MAXIMUM RADIAL 0.0008 |
| STANDARD TOLERANCE DESIGNATION CTFZ | ABEC NO.3 |
| LUBRICATION MATERIAL LBMA | GREASE |
| LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION LMDC | MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322 |
| MATERIAL MATT | BALL STEEL COMP 440C |
| MATERIAL MATT | OUTER RING STEEL COMP 440C |
| MATERIAL MATT | RETAINER STEEL CORROSION RESISTING |
| MATERIAL MATT | INNER RING STEEL COMP 440C |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 110763-1 | 17472 | EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION |
| 110763-1 | 40920 | MPB CORP DIV TIMKEN SUPER PRECISION |
| 110763-1 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION |
| 110763-1 | 99145 | EATON AEROSPACE LLC ED AND C WEST DIV |
| S5632FCHH3P18/LY196 | 40920 | MPB CORP DIV TIMKEN SUPER PRECISION |
| SFR1563PPK18/287 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION |
| SSRIF5632/ZZA3P18/LY48 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$53.00
Purchases
1
Total spend
$5,512
Oct 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$11,024
Total demand
$53.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | 104 | $53.00 | $5,512 | C U ENTERPRISES LTD (0W778) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 8, 2026 | SPE4A627P1666 ↗ | C U ENTERPRISES LTD | — | $5,512 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
C U ENTERPRISES LTD
last award Oct 2026
EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION
no award yet
no awards on record
Listed source EATON AEROSPACE LLC ED AND C WEST DIV
no award yet
no awards on record
Listed source MPB CORP DIV TIMKEN SUPER PRECISION
no award yet
no awards on record
Listed source NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION
no award yet
no awards on record
Listed source NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION
no award yet
no awards on record
Listed source C U ENTERPRISES LTD won the only award on record. C U ENTERPRISES LTD won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-32WH | Sep 18, 2026 | Sep 25, 2026 | 104 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,BALL,ANNULAR." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-01-287-0931/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/3110-01-287-0931/