PartsTable TECHNICAL DATA SHEET
NSN 3110-00-421-9991Government record, cited

Bearing, Roller, Needle3110-00-421-9991

NSN 3110-00-421-9991 · NIIN 004219991
FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings
Government record, cited
Also searched as  3110-00-421-9991 · 3110004219991 · NIIN 004219991 · 00-421-9991 · FSC 3110 Bearings, Antifriction, Unmounted · CYR3 · CYR3
Nearby stock numbers  ·
Features
  • Bearing,roller,needle — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Outer Ring Width: 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
  • Surface Finish: GROUND
  • Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
  • Overall Outside Diameter: 2.9990 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN
  • Alignment Type: RIGID
  • Bore Diameter: 0.9995 INCHES MINIMUM AND 1.0001 INCHES MAXIMUM IN
Identification
  • NSN: 3110-00-421-9991
  • NIIN: 004219991
  • FSC: 3110 — Bearings, Antifriction, Unmounted
  • FSG: 31 — Bearings
General Description

The Bearing,roller,needle, cataloged under National Stock Number 3110-00-421-9991, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-421-9991
Item NameBearing,roller,needle
FSC / FSG3110 / 31 — Bearings, Antifriction, Unmounted
StatusACTIVE
Retainer Fabrication MethodPRESSED
Outer Ring Width1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
Surface FinishGROUND
Style DesignatorCAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE
Overall Outside Diameter2.9990 INCHES MINIMUM AND 3.0000 INCHES MAXIMUM IN
Alignment TypeRIGID
Bore Diameter0.9995 INCHES MINIMUM AND 1.0001 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Inner Ring Width1.8025 INCHES MINIMUM AND 1.8175 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
CYR3 5/9 Secondary reference
Ge Medical Systems
CYR3 3/9 Design control — primary reference
Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging.
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 3110-00-421-9991?

NSN 3110-00-421-9991 is a Bearing,roller,needle, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.

What are the specifications of 3110-00-421-9991?

Key specifications for 3110-00-421-9991: Retainer Fabrication Method: PRESSED; Outer Ring Width: 1.7450 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN; Surface Finish: GROUND; Style Designator: CAM ROLLER, HARDENED AND GROUND, NON-SEPARABLE. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3110-00-421-9991 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.
PartsTable Design LLC · partstable.com