NSN 3110-01-367-2777 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-367-2777. Manufacturer of record part number: 5221ML.
Overall Outside Diameter: 7.4803 INCHES NOMINAL IN
Bore Diameter: 4.1339 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Regal Beloit America, Inc. Dba Rollway Bearing
Identification
NSN: 3110-01-367-2777
NIIN: 013672777
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 5221ML
Manufacturer: Regal Beloit America, Inc. Dba Rollway Bearing
General Description
The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-367-2777, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Regal Beloit America, Inc. Dba Rollway Bearing. 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.
Regal Beloit America, Inc. Dba Rollway Bearing (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 3110-01-367-2777?
NSN 3110-01-367-2777 is a Bearing,roller,cylindrical, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-367-2777?
NSN 3110-01-367-2777 has 1 manufacturer part number on file: 5221ML (Regal Beloit America, Inc. Dba Rollway Bearing).
What are the specifications of 5221ML?
Key specifications for 5221ML: Overall Width: 2.5625 INCHES NOMINAL IN; Overall Outside Diameter: 7.4803 INCHES NOMINAL IN; Bore Diameter: 4.1339 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-367-2777 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.