PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OR308 AND RA308Bearing,roller,journal

Rbc Bearings Incorporated Div West Trenton Division · NSN 3110-00-108-7788 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-108-7788 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-108-7788. Primary manufacturer part number: OR308 AND RA308.
Features
  • Bearing,roller,journal — FSC 3110
  • Overall Outside Diameter: 90.0 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Style Designator: SOLID OUTER RACE, NO INNER RACE
  • Standard Tolerance Designation: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
  • Bore Diameter: 2.0000 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Rbc Bearings Incorporated Div West Trenton Division
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,journal, cataloged under National Stock Number 3110-00-108-7788, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-108-7788
Primary Part NumberOR308 AND RA308
Item NameBearing,roller,journal
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRbc Bearings Incorporated Div West Trenton Division
StatusCANCELLED
Overall Outside Diameter90.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Style DesignatorSOLID OUTER RACE, NO INNER RACE
Standard Tolerance DesignationAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
Bore Diameter2.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5845-00-122-644031360 INTERCHANGEABLE
Reel and Slide Assy
L3harris Technologies, Inc. Div Space and Airborne Systems
5120-00-262-84915120-00-262-8491 INTERCHANGEABLE
Wrench,pipe
General Services Administration Federal Supply Service
5935-00-984-40977207980P004 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms
4820-01-127-2596N313600058 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-01-128-0277B-308 INTERCHANGEABLE
Bearing,roller,needle
Jtekt Bearings North America Llc Div Kbna - Ord 1
5342-01-186-8387B-308 INTERCHANGEABLE
Bracket
General Devices Co Inc
5910-01-296-810931360 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Lds Test and Measurement Llc
6140-01-728-7427B-308 INTERCHANGEABLE
Battery Assembly
L.c.doane Company,the Dba Lc Doane Co
Cross-Reference Index
Part NumberManufacturer
K54688-100 Morris Material Handling, Inc. (USA)
31360 Kranco Inc Euclid Div (USA)
B308 Regal Beloit America, Inc. Dba Rollway Bearing (USA)
OR308 AND RA308 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
Related Parts
5845-00-122-6440INTERCHANGEABLE
REEL AND SLIDE ASSY
31360
5120-00-262-8491INTERCHANGEABLE
WRENCH,PIPE
5120-00-262-8491
5935-00-984-4097INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7207980P004
4820-01-127-2596INTERCHANGEABLE
SEAT,VALVE
N313600058
3110-01-128-0277INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B-308
5342-01-186-8387INTERCHANGEABLE
BRACKET
B-308
5910-01-296-8109INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
31360
6140-01-728-7427INTERCHANGEABLE
BATTERY ASSEMBLY
B-308

Frequently Asked Questions

What is NSN 3110-00-108-7788?

NSN 3110-00-108-7788 is a Bearing,roller,journal, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-108-7788?

NSN 3110-00-108-7788 has 4 cross-referenced part numbers: K54688-100 (Morris Material Handling, Inc.), 31360 (Kranco Inc Euclid Div), B308 (Regal Beloit America, Inc. Dba Rollway Bearing), OR308 AND RA308 (Rbc Bearings Incorporated Div West Trenton Division).

What NSN replaces 3110-00-108-7788?

There are 8 known substitutes for 3110-00-108-7788: 5845-00-122-6440, 5120-00-262-8491, 5935-00-984-4097 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of OR308 AND RA308?

Key specifications for OR308 AND RA308: Overall Outside Diameter: 90.0 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL; Style Designator: SOLID OUTER RACE, NO INNER RACE; Overall Width: 1.4375 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-108-7788 still in active supply?

NSN 3110-00-108-7788 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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