NSN 3130-01-473-8948 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-473-8948. Manufacturer of record part number: MBR-2303.
Also searched as3130-01-473-8948 ·
3130014738948 ·
NIIN 014738948 ·
01-473-8948 ·
FSC 3130 Bearings, Mounted · CAGE 77896 · MBR-2303
Nearby stock numbers← 3130-01-473-8944 Bearing Unit, Roller
·
3130-01-473-8950 Bearing Unit, Roller →
3130-01-473-8948 — Bearings, Mounted
Features
Bearing Unit,roller — FSC 3130
Flange Thickness: 4.3750 INCHES NOMINAL IN
Style Designator: FLANGE BLOCK
Bolt Circle Diameter: 4.9375 INCHES NOMINAL IN
Bore Diameter: 3.1875 INCHES NOMINAL IN
Housing Length: 4.3750 INCHES NOMINAL IN
Housing Diameter: 10.2500 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 3130-01-473-8948
NIIN: 014738948
FSC: 3130 — Bearings, Mounted
FSG: 31 — Bearings
Primary part number: MBR-2303
Manufacturer: Rexnord Industries, Llc Div Aerosspace Bearing Operation
General Description
The Bearing Unit,roller, cataloged under National Stock Number 3130-01-473-8948, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3130-01-473-8948
Primary Part Number
MBR-2303
Item Name
Bearing Unit,roller
FSC / FSG
3130 / 31 — Bearings, Mounted
Manufacturer
Rexnord Industries, Llc Div Aerosspace Bearing Operation
Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
No interchangeability data on file.
Other items in FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118
3130-00-001-5118 · Item name not on file
3130-00-001-5137
BEARING UNIT,BALL
3130-00-001-6585
3130-00-001-6585 · Item name not on file
3130-00-003-0422
3130-00-003-0422 · Item name not on file
3130-00-003-0455
3130-00-003-0455 · Item name not on file
3130-00-003-0794
BEARING UNIT,BALL
3130-00-003-2802
BEARING UNIT,BALL
3130-00-003-9535
3130-00-003-9535 · Item name not on file
Frequently Asked Questions
What is NSN 3130-01-473-8948?
NSN 3130-01-473-8948 is a Bearing Unit,roller, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3130, Bearings, Mounted. Status: active.
What part numbers are listed for NSN 3130-01-473-8948?
NSN 3130-01-473-8948 has 1 manufacturer part number on file: MBR-2303 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
What are the specifications of MBR-2303?
Key specifications for MBR-2303: Flange Thickness: 4.3750 INCHES NOMINAL IN; Style Designator: FLANGE BLOCK; Bolt Circle Diameter: 4.9375 INCHES NOMINAL IN; End Item Identification: NAVY EQUIPMENT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3130-01-473-8948 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.