PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B305-18Bearing,roller,journal

Regal Beloit America, Inc. Dba Rollway Bearing · NSN 3110-00-198-2139 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-198-2139 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-198-2139. Primary manufacturer part number: B305-18.
Features
  • Bearing,roller,journal — FSC 3110
  • Bore Diameter: 1.2500 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SOLID OUTER RACE, NO INNER RACE
  • Standard Tolerance Designation: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
  • Overall Outside Diameter: 62.0 MILLIMETERS NOMINAL MM
  • 2 verified cross-references
  • Primary manufacturer: Regal Beloit America, Inc. Dba Rollway Bearing
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 3110-00-198-2139, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Regal Beloit America, Inc. Dba Rollway Bearing. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3110-00-198-2139
Primary Part NumberB305-18
Item NameBearing,roller,journal
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRegal Beloit America, Inc. Dba Rollway Bearing
StatusCANCELLED
Bore Diameter1.2500 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSOLID OUTER RACE, NO INNER RACE
Standard Tolerance DesignationAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
Overall Outside Diameter62.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5306-00-054-4954EWB26-5-26 INTERCHANGEABLE
Bolt,shear
Sps Technologies, Llc Dba PB Fasteners
2940-00-378-97293892940-068000 INTERCHANGEABLE
Filter Element,fluid
Chief of Engineers Dept of Army
5340-00-521-537116W290 INTERCHANGEABLE
Fastener,cylinder,spring Loaded
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
4130-00-791-142013211E4014 INTERCHANGEABLE
Filter-Drier,refrigerant
Cecom Lr Center
4520-00-792-2677 INTERCHANGEABLE
Heating Element,electrical,nonim
2920-01-165-82914240446 INTERCHANGEABLE
Cap,ignition Distribution
Chrysler Corp Service and Parts Opns
6670-01-348-5645C305 INTERCHANGEABLE
Scale,weighing
Ohaus Corporation
1005-01-449-8934IP-C-30-5 INTERCHANGEABLE
Rod,flexible Cleani
Otis Products, Inc. Dba Otis Technology
Cross-Reference Index
Part NumberManufacturer
B305-18 PRIMARY Regal Beloit America, Inc. Dba Rollway Bearing (USA)
C305 PRIMARY Rbc Bearings Incorporated Div West Trenton Division (USA)
Related Parts
5306-00-054-4954INTERCHANGEABLE
BOLT,SHEAR
EWB26-5-26
2940-00-378-9729INTERCHANGEABLE
FILTER ELEMENT,FLUID
3892940-068000
5340-00-521-5371INTERCHANGEABLE
FASTENER,CYLINDER,SPRING LOADED
16W290
4130-00-791-1420INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
13211E4014
4520-00-792-2677INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2920-01-165-8291INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
4240446
6670-01-348-5645INTERCHANGEABLE
SCALE,WEIGHING
C305
1005-01-449-8934INTERCHANGEABLE
ROD,FLEXIBLE CLEANI
IP-C-30-5

Frequently Asked Questions

What is NSN 3110-00-198-2139?

NSN 3110-00-198-2139 is a Bearing,roller,journal, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-198-2139?

NSN 3110-00-198-2139 has 2 cross-referenced part numbers: B305-18 (Regal Beloit America, Inc. Dba Rollway Bearing), C305 (Rbc Bearings Incorporated Div West Trenton Division).

What NSN replaces 3110-00-198-2139?

There are 8 known substitutes for 3110-00-198-2139: 5306-00-054-4954, 2940-00-378-9729, 5340-00-521-5371 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B305-18?

Key specifications for B305-18: Bore Diameter: 1.2500 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: SOLID OUTER RACE, NO INNER RACE; Standard Tolerance Designation: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-198-2139 still in active supply?

NSN 3110-00-198-2139 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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