NSN 3110-01-545-3223 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-545-3223. Manufacturer of record part number: MU1921DAHK.
Overall Outside Diameter: 145.0 MILLIMETERS NOMINAL MM
Bore Diameter: 105.0 MILLIMETERS NOMINAL MM
1 manufacturer part number on file
Manufacturer of record: Rexnord Industries, Llc Div Link-Belt Bearing Operation
Identification
NSN: 3110-01-545-3223
NIIN: 015453223
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: MU1921DAHK
Manufacturer: Rexnord Industries, Llc Div Link-Belt Bearing Operation
General Description
The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-545-3223, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-545-3223
Primary Part Number
MU1921DAHK
Item Name
Bearing,roller,cylindrical
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Rexnord Industries, Llc Div Link-Belt Bearing Operation
Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA)
No interchangeability data on file.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-01-545-3223?
NSN 3110-01-545-3223 is a Bearing,roller,cylindrical, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-545-3223?
NSN 3110-01-545-3223 has 1 manufacturer part number on file: MU1921DAHK (Rexnord Industries, Llc Div Link-Belt Bearing Operation).
What are the specifications of MU1921DAHK?
Key specifications for MU1921DAHK: Overall Width: 20.0 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 145.0 MILLIMETERS NOMINAL MM; Bore Diameter: 105.0 MILLIMETERS NOMINAL MM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-545-3223 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.