PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SFR166PPK26-7Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-878-6499 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-878-6499 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-878-6499. Primary manufacturer part number: SFR166PPK26-7.
Features
  • Bearing,ball,annular — FSC 3110
  • Retainer Fabrication Method: PRESSED
  • Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
  • Bore Shape: STRAIGHT
  • Lubrication Material: GREASE
  • Surface Finish: GROUND
  • Outer Ring Outside Diameter: 0.3750 INCHES NOMINAL IN
  • Load Direction: RADIAL
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 3110-00-878-6499, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-878-6499
Primary Part NumberSFR166PPK26-7
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusCANCELLED
Retainer Fabrication MethodPRESSED
Lubrication Material Document and ClassificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
Bore ShapeSTRAIGHT
Lubrication MaterialGREASE
Surface FinishGROUND
Outer Ring Outside Diameter0.3750 INCHES NOMINAL IN
Load DirectionRADIAL
Shield Quantity2
Standard Tolerance DesignationABEC NO.7
Flange Outside Diameter0.4220 INCHES NOMINAL IN
Internal Clearance0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
Flange Width0.0310 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore Diameter0.1875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-069-2477SMB587790 INTERCHANGEABLE
Contact Strip,radio Frequency Gr
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-100-8544E25 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
6610-00-132-1358E25 INTERCHANGEABLE
Indicator,flag Alar
Phaostron Instrument and Electronic Company
1730-00-240-8499E25 INTERCHANGEABLE
Sling,aircraft Maintenance
The Boeing Company Div Legacy Am&m
5977-00-356-19571-984941-00 INTERCHANGEABLE
Brush,electrical Contact
Kearfott Corporation Div Guidance and Navigation Division
4410-00-377-9948127A INTERCHANGEABLE
Scroll
Bethlehem Corporation
3110-00-452-6107 INTERCHANGEABLE
Bearing Ball Spec
3110-00-452-6108 INTERCHANGEABLE
Bearing Ball Spec
3110-00-452-6109 INTERCHANGEABLE
Bearing Ball Spec
6625-00-495-23591120-1191 INTERCHANGEABLE
Meter,null
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
SFR166PPK26-7 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SC500-107 Leonardo Mw Ltd (GBR)
5012-28 New Haven Mfg Corp (USA)
B2-9-S W. M. Berg, Inc. (USA)
2150CF71PB Skf Usa Inc. (USA)
S6632FCHHP25LG20 Mpb Corp Div Timken Super Precision (USA)
77NM1224ZJ7E General Motors Corp Delco Moraine Ndh Div (USA)
6649903 Naval Sea Systems Command (USA)
7742547P002 Lockheed Martin Corporation Div Rms (USA)
05012-0037 New Haven Mfg Corp (USA)
127A Allied Devices Corp Dba Absolute Precision Co (USA)
MIL-B-81793/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1JB6277408 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
SFR166PPK25-8 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
SFR166PPK25-168 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
AUF12K24DDFS160 Timken Co Div the Timken Company (USA)
M81793-DHGHAA0SCB71EX1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
77NM1224 General Motors Corp Delco Moraine Ndh Div (USA)
77NM1224ZD5E2 General Motors Corp Delco Moraine Ndh Div (USA)
M81793-DHGIAA01CC71AS1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5940-00-069-2477INTERCHANGEABLE
CONTACT STRIP,RADIO FREQUENCY GR
SMB587790
3110-00-100-8544INTERCHANGEABLE
BEARING,BALL,THRUST
E25
6610-00-132-1358INTERCHANGEABLE
INDICATOR,FLAG ALAR
E25
1730-00-240-8499INTERCHANGEABLE
SLING,AIRCRAFT MAINTENANCE
E25
5977-00-356-1957INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1-984941-00
4410-00-377-9948INTERCHANGEABLE
SCROLL
127A
3110-00-452-6107INTERCHANGEABLE
BEARING BALL SPEC
3110-00-452-6108INTERCHANGEABLE
BEARING BALL SPEC
3110-00-452-6109INTERCHANGEABLE
BEARING BALL SPEC
6625-00-495-2359INTERCHANGEABLE
METER,NULL
1120-1191
4130-00-510-0033INTERCHANGEABLE
BEARING
127A
3110-00-589-1208INTERCHANGEABLE
BEARING,BALL,THRUST
127A

Frequently Asked Questions

What is NSN 3110-00-878-6499?

NSN 3110-00-878-6499 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 3110-00-878-6499?

NSN 3110-00-878-6499 has 50 cross-referenced part numbers: SFR166PPK26-7 (New Hampshire Ball Bearings Inc Div Hitech Division), SC500-107 (Leonardo Mw Ltd), 5012-28 (New Haven Mfg Corp), B2-9-S (W. M. Berg, Inc.), 2150CF71PB (Skf Usa Inc.) and 45 more.

What NSN replaces 3110-00-878-6499?

There are 12 known substitutes for 3110-00-878-6499: 5940-00-069-2477, 3110-00-100-8544, 6610-00-132-1358 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SFR166PPK26-7?

Key specifications for SFR166PPK26-7: Retainer Fabrication Method: PRESSED; Lubrication Material Document and Classification: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE; Bore Shape: STRAIGHT; Lubrication Material: GREASE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-878-6499 still in active supply?

NSN 3110-00-878-6499 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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