NSN 3110-00-151-8370 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-8370. Manufacturer of record part number: 44348B.
Outer Ring Outside Diameter: 3.4843 INCHES NOMINAL IN
Standard Tolerance Designation: AFBMA CLASS 2
Material: STEEL OVERALL
Identification
NSN: 3110-00-151-8370
NIIN: 001518370
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 44348B
Manufacturer: The Timken Corporation
General Description
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-151-8370, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 7 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.
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 3110-00-151-8370?
NSN 3110-00-151-8370 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-151-8370?
NSN 3110-00-151-8370 has 1 manufacturer part number on file: 44348B (The Timken Corporation).
What are the specifications of 44348B?
Key specifications for 44348B: Flange Outside Diameter: 3.7023 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE, FLANGED; Overall Width: 0.6875 INCHES NOMINAL IN; Backface Corner Radius: 0.0625 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-151-8370 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.