PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55303Bearing,roller,cylindrical

Rbc Transport Dynamics Corp Div Rbc Transport Dynamics · NSN 3110-01-616-1680 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-616-1680 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-616-1680. Primary manufacturer part number: 55303.
Features
  • Bearing,roller,cylindrical — FSC 3110
  • 2 verified cross-references
  • Primary manufacturer: Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-616-1680, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Transport Dynamics Corp Div Rbc Transport Dynamics. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,roller,cylindrical
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersRbc Transport Dynamics Corp Div Rbc Transport Dynamics (CAGE 09455); Sargent Aerospace & Defense, Llc Dba Kahr Bearings (CAGE 97613)
Technical Specifications
ParameterValue
NSN3110-01-616-1680
Primary Part Number55303
Item NameBearing,roller,cylindrical
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRbc Transport Dynamics Corp Div Rbc Transport Dynamics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
7510-00-629-027355303 INTERCHANGEABLE
Tape,identification
Brady United States
4820-00-884-280855303 INTERCHANGEABLE
Sleeve and Slide,directional Con
Woodward Hrt Inc
3040-01-172-270955303 INTERCHANGEABLE
Shaft,shouldered
Texas Hydraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
55303 PRIMARY Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA)
KWB4CRG PRIMARY Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA)
Related Parts
7510-00-629-0273INTERCHANGEABLE
TAPE,IDENTIFICATION
55303
4820-00-884-2808INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
55303
3040-01-172-2709INTERCHANGEABLE
SHAFT,SHOULDERED
55303

Frequently Asked Questions

What is NSN 3110-01-616-1680?

NSN 3110-01-616-1680 is a Bearing,roller,cylindrical, manufactured by Rbc Transport Dynamics Corp Div Rbc Transport Dynamics, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-616-1680?

NSN 3110-01-616-1680 has 2 cross-referenced part numbers: 55303 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), KWB4CRG (Sargent Aerospace & Defense, Llc Dba Kahr Bearings).

What NSN replaces 3110-01-616-1680?

There are 3 known substitutes for 3110-01-616-1680: 7510-00-629-0273, 4820-00-884-2808, 3040-01-172-2709. Verify interchangeability with system specifications before substitution.

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