The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-00-155-7327, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-7327 |
| Primary Part Number | 7450189 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE |
| Overall Outside Diameter | 120.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 65.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL ROLLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7450189 | Rolls-Royce Solutions America Inc (USA) |
| 7450189 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 7450189 | General Motors Corp (USA) |
| MS213 PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| Reference | Meaning |
|---|---|
| U1213TS | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| U1213TS | 5/9 Secondary reference General Motors Corp |
| U1213TS | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-155-7327 is a Bearing,roller,cylindrical, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-7327 has 4 manufacturer part numbers on file: 7450189 (Rolls-Royce Solutions America Inc), 7450189 (Allison Transmission Inc Dba Allison Transmission, Inc), 7450189 (General Motors Corp), MS213 (Regal Beloit America, Inc. Dba Rollway Bearing).
3 possible matches (shared part number, not a government interchangeability claim): 3110-00-198-1790, 3455-01-189-5679, 5325-01-662-3512. Verify interchangeability with system specifications before substitution.
Key specifications for 7450189: Internal Fit-Up Designation: STANDARD; Locating Feature: NONLOCATING; Surface Finish: GROUND; Style Designator: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.