PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2300UBearing,roller,self-Aligning

Rexnord Industries, Llc Div Aerosspace Bearing Operation · NSN 3110-00-194-3955 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-194-3955 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-194-3955. Primary manufacturer part number: 2300U.
Features
  • Bearing,roller,self-Aligning — FSC 3110
  • Style Designator: DOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR
  • Internal Fit-Up Designation: STANDARD
  • Material: STEEL OVERALL
  • Style Designator: DOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR
  • Surface Finish: GROUND
  • Inner Ring Width: 4.0070 INCHES NOMINAL IN
  • Material: STEEL OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,self-Aligning, cataloged under National Stock Number 3110-00-194-3955, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-194-3955
Primary Part Number2300U
Item NameBearing,roller,self-Aligning
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Aerosspace Bearing Operation
StatusACTIVE
Style DesignatorDOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL OVERALL
Style DesignatorDOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR
Surface FinishGROUND
Inner Ring Width4.0070 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Internal Fit-Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Overall Outside Diameter5.1172 INCHES NOMINAL IN
Outer Ring Width3.3700 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Bore Diameter3.0000 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5960-00-981-2004 INTERCHANGEABLE
Electron Tube
5360-01-138-5117 INTERCHANGEABLE
Spring
4720-01-166-86827620 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
6505-01-202-7998 INTERCHANGEABLE
Potassium Acetate Injection
5915-01-266-9149MIS-35970 INTERCHANGEABLE
Filter,band Pass
Us Army Aviation and Missile Command
5930-01-281-69377620 INTERCHANGEABLE
Switch,push
Edwards Signaling and Security Systems a Part of Ge Security
7910-01-420-0590SC5713D INTERCHANGEABLE
Cleaner,vacuum,electric
Electrolux Home Products Inc.
5975-01-491-79537620 INTERCHANGEABLE
Hanger,cable
Keystone Electronics Corp
5310-01-532-29007620 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5945-01-595-3969 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
7620 Rexworks Inc (USA)
2300 Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
2300U PRIMARY Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA)
Related Parts
5960-00-981-2004INTERCHANGEABLE
ELECTRON TUBE
5360-01-138-5117INTERCHANGEABLE
SPRING
4720-01-166-8682INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
7620
6505-01-202-7998INTERCHANGEABLE
POTASSIUM ACETATE INJECTION
5915-01-266-9149INTERCHANGEABLE
FILTER,BAND PASS
MIS-35970
5930-01-281-6937INTERCHANGEABLE
SWITCH,PUSH
7620
7910-01-420-0590INTERCHANGEABLE
CLEANER,VACUUM,ELECTRIC
SC5713D
5975-01-491-7953INTERCHANGEABLE
HANGER,CABLE
7620
5310-01-532-2900INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
7620
5945-01-595-3969INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 3110-00-194-3955?

NSN 3110-00-194-3955 is a Bearing,roller,self-Aligning, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-194-3955?

NSN 3110-00-194-3955 has 3 cross-referenced part numbers: 7620 (Rexworks Inc), 2300 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 2300U (Rexnord Industries, Llc Div Aerosspace Bearing Operation).

What NSN replaces 3110-00-194-3955?

There are 10 known substitutes for 3110-00-194-3955: 5960-00-981-2004, 5360-01-138-5117, 4720-01-166-8682 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2300U?

Key specifications for 2300U: Style Designator: DOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR; Internal Fit-Up Designation: STANDARD; Material: STEEL OVERALL; Style Designator: DOUBLE ROW ROLLERS, INTERNAL SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, TWO (2) SINGLE CUPS, ONE CONE, ONE SETSCREW COLLAR. 14 total characteristics are documented in the Federal Logistics Information System.

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