PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51501Bearing,ball,annular

Smith Meter Inc Parts Opn · NSN 3110-00-005-6211 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-005-6211 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-005-6211. Primary manufacturer part number: 51501.
Features
  • Bearing,ball,annular — FSC 3110
  • Load Direction: RADIAL
  • Surface Finish: GROUND
  • Internal Clearance: 0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
  • Internal Fit-Up Designation: LOOSE
  • Lubrication Material Document and Classification: SRI-2,FSCM 97343 MFR REF SINGLE MATERIAL RESPONSE
  • Lubrication Material: GREASE
  • Shield Quantity: 2
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-005-6211, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Smith Meter Inc Parts Opn. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-005-6211
Primary Part Number51501
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSmith Meter Inc Parts Opn
StatusACTIVE
Load DirectionRADIAL
Surface FinishGROUND
Internal Clearance0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN
Internal Fit-Up DesignationLOOSE
Lubrication Material Document and ClassificationSRI-2,FSCM 97343 MFR REF SINGLE MATERIAL RESPONSE
Lubrication MaterialGREASE
Shield Quantity2
Standard Tolerance DesignationABEC NO.1
Bore ShapeSTRAIGHT
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Overall Outside Diameter40.00 MILLIMETERS NOMINAL MM
Bore Diameter17.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4330-00-204-338330-400-201 INTERCHANGEABLE
Filter Element,fluid
Wm W Nugent & Co Inc
4920-00-342-38921000031 INTERCHANGEABLE
Analyzer,line,auto
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-782-9397 INTERCHANGEABLE
Packing Nut
3120-00-788-215802-001-0250 INTERCHANGEABLE
Bearing,plain,rod End
Rbc Transport Dynamics Corp Div Rbc Transport Dynamics
3040-00-838-1857100003-1 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Dana Corp Mobile Fluid Products Div
1650-01-111-5903TC076UH096 INTERCHANGEABLE
Indicator,button,red
Pall Aeropower Corporation
4720-01-266-815350501 INTERCHANGEABLE
Hose Assembly,metallic
Nch Corporation Dba Nch Corp
8010-01-612-375551501 INTERCHANGEABLE
Enamel
Krylon Products Group
Cross-Reference Index
Part NumberManufacturer
51501 PRIMARY Smith Meter Inc Parts Opn (USA)
51501 A. O. Smith Corporation Dba a O Smith Corp (USA)
604005-1 Smith a O Corp Electric Motors Div (USA)
100003-1 Smith a O Corp Electric Motors Div (USA)
100003-1 Smith Meter Inc Parts Opn (USA)
Related Parts
4330-00-204-3383INTERCHANGEABLE
FILTER ELEMENT,FLUID
30-400-201
4920-00-342-3892INTERCHANGEABLE
ANALYZER,LINE,AUTO
1000031
4730-00-782-9397INTERCHANGEABLE
PACKING NUT
3120-00-788-2158INTERCHANGEABLE
BEARING,PLAIN,ROD END
02-001-0250
3040-00-838-1857INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
100003-1
1650-01-111-5903INTERCHANGEABLE
INDICATOR,BUTTON,RED
TC076UH096
4720-01-266-8153INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
50501
8010-01-612-3755INTERCHANGEABLE
ENAMEL
51501

Frequently Asked Questions

What is NSN 3110-00-005-6211?

NSN 3110-00-005-6211 is a Bearing,ball,annular, manufactured by Smith Meter Inc Parts Opn, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-005-6211?

NSN 3110-00-005-6211 has 5 cross-referenced part numbers: 51501 (Smith Meter Inc Parts Opn), 51501 (A. O. Smith Corporation Dba a O Smith Corp), 604005-1 (Smith a O Corp Electric Motors Div), 100003-1 (Smith a O Corp Electric Motors Div), 100003-1 (Smith Meter Inc Parts Opn).

What NSN replaces 3110-00-005-6211?

There are 8 known substitutes for 3110-00-005-6211: 4330-00-204-3383, 4920-00-342-3892, 4730-00-782-9397 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51501?

Key specifications for 51501: Load Direction: RADIAL; Surface Finish: GROUND; Internal Clearance: 0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN; Internal Fit-Up Designation: LOOSE. 15 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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