PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SFR156PPK58-168Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Hitech Division · NSN 3110-00-729-6394 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-729-6394 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-729-6394. Primary manufacturer part number: SFR156PPK58-168.
Features
  • Bearing,ball,annular — FSC 3110
  • Shield Quantity: 2
  • Flange Outside Diameter: 0.3590 INCHES NOMINAL IN
  • Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
  • Surface Finish: GROUND
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
  • Outer Ring Outside Diameter: 0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
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 3110-00-729-6394, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-729-6394
Primary Part NumberSFR156PPK58-168
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Hitech Division
StatusACTIVE
Shield Quantity2
Flange Outside Diameter0.3590 INCHES NOMINAL IN
Lubrication Material Document and ClassificationMIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE
Surface FinishGROUND
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Outer Ring Outside Diameter0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
Internal Clearance0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Load DirectionRADIAL
Lubrication MaterialGREASE
Flange Width0.0360 INCHES NOMINAL IN
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Bore Diameter0.1875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-719-5060391022 INTERCHANGEABLE
Seal,turbine,air
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5935-01-043-4859 INTERCHANGEABLE
Connector,plug,electrical
5315-01-088-8006391022 INTERCHANGEABLE
Pin,shoulder,headless
Bae Systems Information and Electronic Systems Integration Inc.
5355-01-430-9522391022 INTERCHANGEABLE
Dial,control
Krohn-Hite Corp
Cross-Reference Index
Part NumberManufacturer
M77NM1220ZFE General Motors Corp (USA)
M77NM1220ZFE General Motors Corp Delco Moraine Ndh Div (USA)
M77NM1220ZFE General Motors Llc Dba General Motors Llc (USA)
SFR156PPK58-168 PRIMARY New Hampshire Ball Bearings Inc Div Hitech Division (USA)
391022 R F Products, Inc (USA)
Related Parts
5330-00-719-5060INTERCHANGEABLE
SEAL,TURBINE,AIR
391022
5935-01-043-4859INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5315-01-088-8006INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
391022
5355-01-430-9522INTERCHANGEABLE
DIAL,CONTROL
391022

Frequently Asked Questions

What is NSN 3110-00-729-6394?

NSN 3110-00-729-6394 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Hitech Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-729-6394?

NSN 3110-00-729-6394 has 5 cross-referenced part numbers: M77NM1220ZFE (General Motors Corp), M77NM1220ZFE (General Motors Corp Delco Moraine Ndh Div), M77NM1220ZFE (General Motors Llc Dba General Motors Llc), SFR156PPK58-168 (New Hampshire Ball Bearings Inc Div Hitech Division), 391022 (R F Products, Inc).

What NSN replaces 3110-00-729-6394?

There are 4 known substitutes for 3110-00-729-6394: 5330-00-719-5060, 5935-01-043-4859, 5315-01-088-8006 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SFR156PPK58-168?

Key specifications for SFR156PPK58-168: Shield Quantity: 2; Flange Outside Diameter: 0.3590 INCHES NOMINAL IN; Lubrication Material Document and Classification: MIL-G-3278 MIL SPEC SINGLE MATERIAL RESPONSE; Surface Finish: GROUND. 16 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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