PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2651Bearing,ball,annular

Reed Instrument Bearing Co · NSN 3110-00-044-5228 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-044-5228 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-044-5228. Primary manufacturer part number: 2651.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Standard Tolerance Designation: ABEC NO.7
  • Shield Quantity: 2
  • Bore Shape: STRAIGHT
  • Lubrication Material: GREASE
  • Material: STEEL COMP 440C OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-044-5228, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Reed Instrument Bearing Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-044-5228
Primary Part Number2651
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerReed Instrument Bearing Co
StatusACTIVE
Surface FinishGROUND
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Standard Tolerance DesignationABEC NO.7
Shield Quantity2
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
MaterialSTEEL COMP 440C OVERALL
Load DirectionRADIAL
Overall Outside Diameter0.4375 INCHES NOMINAL IN
Bore Diameter0.1875 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-011-4489 INTERCHANGEABLE
Setscrew
5910-00-284-4669 INTERCHANGEABLE
Capacitor,variable,gas Dielectri
5935-00-295-5006SC-C-41380 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5821-00-700-7279C-3044/ARC-84 INTERCHANGEABLE
Control Unit
Joint Electronics Type Designation System
5365-01-075-64432651 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-01-170-4216 INTERCHANGEABLE
Nut
5950-01-250-47802651 INTERCHANGEABLE
Transformer,audio Frequency
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5935-01-355-75042651 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5945-01-360-611812414270-002 INTERCHANGEABLE
Relay,electromagnetic
U S Army Tank Automotive Command Amsta-Im-Mm
5955-01-394-5905A3110406-001 INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
2651 Reed Instrument Bearing Co (USA)
2064567-G1 L3harris Technologies, Inc. (USA)
2651 Cargotec Sweden Ab - Kalmar Industries (SWE)
SJ12282ZE7 Reed Instrument Bearing Co (USA)
32315J2 Skf Sverige Ab (SWE)
2651 Cargotec Sweden Ab - Kalmar Industries (SWE)
Related Parts
5305-00-011-4489INTERCHANGEABLE
SETSCREW
5910-00-284-4669INTERCHANGEABLE
CAPACITOR,VARIABLE,GAS DIELECTRI
5935-00-295-5006INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-C-41380
5821-00-700-7279INTERCHANGEABLE
CONTROL UNIT
C-3044/ARC-84
5365-01-075-6443INTERCHANGEABLE
SPACER,SLEEVE
2651
5310-01-170-4216INTERCHANGEABLE
NUT
5950-01-250-4780INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2651
5935-01-355-7504INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2651
5945-01-360-6118INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
12414270-002
5955-01-394-5905INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
A3110406-001
5895-01-480-5569INTERCHANGEABLE
SWITCHING GROUP,DIGITAL DATA
2651
5210-01-498-5261INTERCHANGEABLE
GAGE,RIVET SELECTOR
2-651

Frequently Asked Questions

What is NSN 3110-00-044-5228?

NSN 3110-00-044-5228 is a Bearing,ball,annular, manufactured by Reed Instrument Bearing Co, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-044-5228?

NSN 3110-00-044-5228 has 6 cross-referenced part numbers: 2651 (Reed Instrument Bearing Co), 2064567-G1 (L3harris Technologies, Inc.), 2651 (Cargotec Sweden Ab - Kalmar Industries), SJ12282ZE7 (Reed Instrument Bearing Co), 32315J2 (Skf Sverige Ab) and 1 more.

What NSN replaces 3110-00-044-5228?

There are 12 known substitutes for 3110-00-044-5228: 5305-00-011-4489, 5910-00-284-4669, 5935-00-295-5006 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2651?

Key specifications for 2651: Surface Finish: GROUND; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Standard Tolerance Designation: ABEC NO.7; Shield Quantity: 2. 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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