NSN 3110-00-100-0621 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0621. Manufacturer of record part number: 87111.
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0621, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-00-100-0621
Primary Part Number
87111
Item Name
Cup,tapered Roller Bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
The Timken Corporation
Status
ACTIVE
Style Designator
NORMAL ANGLE
Outside Diameter
11.1250 INCHES NOMINAL IN
Backface Corner Radius
0.1250 INCHES NOMINAL IN
Standard Tolerance Designation
AFBMA CLASS 2
Material
STEEL OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
9350-00-216-9202POSSIBLE MATCH
BRICK,REFRACTORY,SPECIAL SHAPE
Possible match (shared part number)
5915-01-367-6077POSSIBLE MATCH
FILTER,RADIO FREQUENCY INTERFERE
Possible match (shared part number)
5325-01-447-33026532-43-6 PIECE 9POSSIBLE MATCH
RETAINER,TURNLOCK FASTENER EJECT
Possible match (shared part number)Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
NSN 3110-00-100-0621 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 3110-00-100-0621?
NSN 3110-00-100-0621 has 2 manufacturer part numbers on file: 87111 (The Timken Corporation), 87111 (Federal-Mogul Corp Government Sales Dept).
What NSN replaces 3110-00-100-0621?
4 possible matches (shared part number, not a government interchangeability claim): 9350-00-216-9202, 5915-01-367-6077, 5325-01-447-3302. Verify interchangeability with system specifications before substitution.
What are the specifications of 87111?
Key specifications for 87111: Style Designator: NORMAL ANGLE; Overall Width: 1.4375 INCHES NOMINAL IN; Outside Diameter: 11.1250 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-100-0621 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.