PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50655Cup,tapered Roller Bearing

Trw Inc Trw Commercial Steering Div · NSN 3110-00-141-9977 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-141-9977 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-141-9977. Primary manufacturer part number: 50655.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • 2 verified cross-references
  • Primary manufacturer: Trw Inc Trw Commercial Steering Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-141-9977, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Trw Inc Trw Commercial Steering Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup,tapered Roller Bearing
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersTrw Inc Trw Commercial Steering Div (CAGE 73740); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN3110-00-141-9977
Primary Part Number50655
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTrw Inc Trw Commercial Steering Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-00-356-3385SC-C-69705 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3010-00-758-96452390003 INTERCHANGEABLE
Coupling,shaft,rigid
Concentric Rockford Inc
Cross-Reference Index
Part NumberManufacturer
50655 PRIMARY Trw Inc Trw Commercial Steering Div (USA)
7F7710 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
3040-00-356-3385INTERCHANGEABLE
SHAFT,SHOULDERED
SC-C-69705
3010-00-758-9645INTERCHANGEABLE
COUPLING,SHAFT,RIGID
2390003

Frequently Asked Questions

What is NSN 3110-00-141-9977?

NSN 3110-00-141-9977 is a Cup,tapered Roller Bearing, manufactured by Trw Inc Trw Commercial Steering Div, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-141-9977?

NSN 3110-00-141-9977 has 2 cross-referenced part numbers: 50655 (Trw Inc Trw Commercial Steering Div), 7F7710 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3110-00-141-9977?

There are 2 known substitutes for 3110-00-141-9977: 3040-00-356-3385, 3010-00-758-9645. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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