NSN 3110-01-673-1772 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-673-1772. Manufacturer of record part number: RBY1 3/4.
Overall Outside Diameter: 1.7500 INCHES NOMINAL IN
Alignment Type: RIGID
Bore Diameter: 1.7500 INCHES NOMINAL IN
Material: STEEL OVERALL
Identification
NSN: 3110-01-673-1772
NIIN: 016731772
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: RBY1 3/4
Manufacturer: Rbc Bearings Incorporated Div West Trenton Division
General Description
The Bearing,roller,needle, cataloged under National Stock Number 3110-01-673-1772, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-673-1772
Primary Part Number
RBY1 3/4
Item Name
Bearing,roller,needle
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Rbc Bearings Incorporated Div West Trenton Division
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 3110-01-673-1772?
NSN 3110-01-673-1772 is a Bearing,roller,needle, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-673-1772?
NSN 3110-01-673-1772 has 3 manufacturer part numbers on file: 3670K5 (Mcmaster-Carr Supply Co), RBY1 3/4 (Rbc Bearings Incorporated Div West Trenton Division), RBY1 3/4 (Roller Bearing Co of America).
What are the specifications of RBY1 3/4?
Key specifications for RBY1 3/4: Outer Ring Width: 1.0000 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: TRACK ROLLER; Overall Outside Diameter: 1.7500 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-673-1772 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.