NSN 3110-01-331-4738 · NIIN 013314738 · Part number SR3K50-11
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 70854
Government record, cited
NSN 3110-01-331-4738 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-331-4738. Manufacturer of record part number: SR3K50-11.
Manufacturer of record: Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
Identification
NSN: 3110-01-331-4738
NIIN: 013314738
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: SR3K50-11
Manufacturer: Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
General Description
The Bearing,ball,annular, cataloged under National Stock Number 3110-01-331-4738, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 5 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
3110-01-331-4738
Primary Part Number
SR3K50-11
Item Name
Bearing,ball,annular
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (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 3110-01-331-4738?
NSN 3110-01-331-4738 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-331-4738?
NSN 3110-01-331-4738 has 1 manufacturer part number on file: SR3K50-11 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
What are the specifications of SR3K50-11?
Key specifications for SR3K50-11: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL; Surface Finish: GROUND; Bore Shape: STRAIGHT. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-331-4738 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.