PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SFR1-4PPK25/49Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-070-0184 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-070-0184 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-070-0184. Primary manufacturer part number: SFR1-4PPK25/49.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Shape: STRAIGHT
  • Shield Quantity: 2
  • Load Direction: RADIAL
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Standard Tolerance Designation: ABEC NO.7
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Lubrication Material: GREASE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-070-0184, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Hitech Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-070-0184
Primary Part NumberSFR1-4PPK25/49
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusCANCELLED
Bore ShapeSTRAIGHT
Shield Quantity2
Load DirectionRADIAL
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Standard Tolerance DesignationABEC NO.7
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Lubrication MaterialGREASE
Surface FinishGROUND
Flange Outside Diameter0.2960 INCHES NOMINAL IN
Outer Ring Outside Diameter0.2500 INCHES NOMINAL IN
Flange Width0.0310 INCHES NOMINAL IN
Internal Fit-Up DesignationSTANDARD
MaterialSTEEL CORROSION RESISTING OVERALL
Bore Diameter0.0781 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6135-00-125-5265 INTERCHANGEABLE
Battery,nonrechargeable
5120-00-264-5216 INTERCHANGEABLE
Wrench,box
5999-01-017-5343E-42 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5950-01-032-1904E-42 INTERCHANGEABLE
Transformer,power
B G Laboratories Inc.
6110-01-227-2551 INTERCHANGEABLE
Switchboard,generat
3110-01-272-7346 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
SFR1-4PPK25/49 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
E4-2 Roller Bearing Co of America, Inc Div Pic Design (USA)
M81793/08-DB1C2N1E1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SSRIF-4ZZHAP25LG20 New Hampshire Ball Bearings Inc Div Precision Division (USA)
SFR1-45PPK18-168 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
MIL-B-81793 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S313-2 Simmonds Precision Products Inc (USA)
Related Parts
6135-00-125-5265INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5120-00-264-5216INTERCHANGEABLE
WRENCH,BOX
5999-01-017-5343INTERCHANGEABLE
HEATER,THERMAL RELEASE
E-42
5950-01-032-1904INTERCHANGEABLE
TRANSFORMER,POWER
E-42
6110-01-227-2551INTERCHANGEABLE
SWITCHBOARD,GENERAT
3110-01-272-7346INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-00-070-0184?

NSN 3110-00-070-0184 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-070-0184?

NSN 3110-00-070-0184 has 7 cross-referenced part numbers: SFR1-4PPK25/49 (New Hampshire Ball Bearings Inc Div Hitech Division), E4-2 (Roller Bearing Co of America, Inc Div Pic Design), M81793/08-DB1C2N1E1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SSRIF-4ZZHAP25LG20 (New Hampshire Ball Bearings Inc Div Precision Division), SFR1-45PPK18-168 (New Hampshire Ball Bearings Inc Div Hitech Division) and 2 more.

What NSN replaces 3110-00-070-0184?

There are 6 known substitutes for 3110-00-070-0184: 6135-00-125-5265, 5120-00-264-5216, 5999-01-017-5343 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SFR1-4PPK25/49?

Key specifications for SFR1-4PPK25/49: Bore Shape: STRAIGHT; Shield Quantity: 2; Load Direction: RADIAL; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-070-0184 still in active supply?

NSN 3110-00-070-0184 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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