NSN 3110-00-151-9531 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-9531. Manufacturer of record part number: 9378-9320D.
Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE
Overall Outside Diameter: 7.0000 INCHES NOMINAL IN
Backface Corner Radius: 0.0930 INCHES NOMINAL IN
Cone Corner Radius: 0.1400 INCHES NOMINAL IN
Standout Width: 0.8125 INCHES NOMINAL IN
Standard Tolerance Designation: AFBMA CLASS 2
Identification
NSN: 3110-00-151-9531
NIIN: 001519531
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 9378-9320D
Manufacturer: The Timken Corporation
General Description
The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-151-9531, 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 9 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
3110-00-151-9531
Primary Part Number
9378-9320D
Item Name
Bearing,roller,tapered
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
The Timken Corporation
Status
ACTIVE
Cup Width
2.9375 INCHES NOMINAL IN
Style Designator
STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE
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 3110-00-151-9531?
NSN 3110-00-151-9531 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-151-9531?
NSN 3110-00-151-9531 has 1 manufacturer part number on file: 9378-9320D (The Timken Corporation).
What are the specifications of 9378-9320D?
Key specifications for 9378-9320D: Cup Width: 2.9375 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE; Overall Width: 4.5625 INCHES NOMINAL IN; Overall Outside Diameter: 7.0000 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-151-9531 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.