Acquisition method (AMC)
1
FSC 3110 × BEARING,ROLLER,CYLINDRICAL
BEARING,ROLLER,CYLINDRICAL
3110-00-439-5477 FSC 3110
NSN 3110-00-439-5477 (also written 3110004395477; NIIN 00-439-5477) is a bearing, roller, cylindrical in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 6 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.
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 |
|---|---|
| MATERIAL MATT | RETAINER COPPER ALLOY |
| STANDARD TOLERANCE DESIGNATION CTFZ | RBEC NO.5 |
| SPECIAL FEATURES FEAT | SILVER PLATE CAGE PER AMS 2412 0.0005-0.0015 THK ON LAND RIDING SURF AND ROLLER POCKETS NO STRIKE METAL REQD BAKE 475-500F FOR 2 HRS TO CHECK FOR BOND AMS 2412 |
| MATERIAL MATT | INNER RING STEEL COMP E52100 |
| SURFACE FINISH AGYE | GROUND |
| MATERIAL MATT | ROLLER STEEL COMP E52100 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | INNER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OUTER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | RETAINER ASSN STD SINGLE MATERIAL RESPONSE A-S 4616 |
| RETAINER FABRICATION METHOD AGYF | MACHINED |
| OVERALL WIDTH ABMK | INCHES MINIMUM 0.6249 AND INCHES MAXIMUM 0.6299 |
| LOCATING FEATURE AGZF | NONLOCATING |
| BORE DIAMETER ABXV | INCHES MINIMUM 1.9683 AND INCHES MAXIMUM 1.9685 |
| OVERALL OUTSIDE DIAMETER ADGA | INCHES MINIMUM 3.1493 AND INCHES MAXIMUM 3.1496 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | ROLLER ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| STYLE DESIGNATOR STYL | — |
| BORE SHAPE AGZD | STRAIGHT |
| MATERIAL MATT | OUTER RING STEEL COMP E52100 |
| INTERNAL CLEARANCE AKVV | INCHES MINIMUM RADIAL 0.0014 AND INCHES MAXIMUM RADIAL 0.0020 |
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 |
|---|---|---|
| 447228 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 447230 | 06144 | INDUSTRIAL TECTONICS BEARINGS CORPORATION DBA RBC BEARINGS INC DIV INDUSTRIAL TECTONICS BEARINGS |
| 447230 | 38443 | SKF USA INC. |
| 447230 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 693010 | 06144 | INDUSTRIAL TECTONICS BEARINGS CORPORATION DBA RBC BEARINGS INC DIV INDUSTRIAL TECTONICS BEARINGS |
| 693010 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-22MZ | Aug 26, 2026 | Sep 2, 2026 | 14 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BEARING,ROLLER,CYLINDRICAL." nsnexplorer.com, https://nsnexplorer.com/nsn/3110-00-439-5477/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/3110-00-439-5477/