The Bearing Unit,roller, cataloged under National Stock Number 3130-01-473-8951, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-473-8951 |
| Primary Part Number | MBR-2107B |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| Status | ACTIVE |
| Style Designator | FLANGE BLOCK |
| Bore Diameter | 1.4375 INCHES NOMINAL IN |
| 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 |
|---|---|
| MBR-2107B PRIMARY | Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| MBR-2107B | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
NSN 3130-01-473-8951 is a Bearing Unit,roller, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-473-8951 has 1 manufacturer part number on file: MBR-2107B (Rexnord Industries, Llc Div Link-Belt Bearing Operation).
Key specifications for MBR-2107B: Style Designator: FLANGE BLOCK; End Item Identification: NAVY EQUIPMENT; Bore Diameter: 1.4375 INCHES NOMINAL IN. 2 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.