NSN 3110-00-227-2174 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-227-2174. Manufacturer of record part number: 634W.
Outer Ring Outside Diameter: 5.3750 INCHES NOMINAL IN
Material: STEEL OVERALL
2 manufacturer part numbers on file
Manufacturer of record: The Timken Corporation
Identification
NSN: 3110-00-227-2174
NIIN: 002272174
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 634W
Manufacturer: The Timken Corporation
General Description
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-227-2174, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 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 3110-00-227-2174?
NSN 3110-00-227-2174 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 3110-00-227-2174?
NSN 3110-00-227-2174 has 2 manufacturer part numbers on file: 634W (The Timken Corporation), 64AX86P1 (Mack Trucks Inc Parts Opn).
What are the specifications of 634W?
Key specifications for 634W: Outer Ring Outside Diameter: 5.3750 INCHES NOMINAL IN; Material: STEEL OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-227-2174 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.