PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S326-5Bearing,ball,annular

Simmonds Precision Products Inc · NSN 3110-01-170-1536 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-170-1536 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-170-1536. Primary manufacturer part number: S326-5.
Features
  • Bearing,ball,annular — FSC 3110
  • Bore Diameter: 0.1250 INCHES MAXIMUM IN
  • Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
  • Shield Quantity: 2
  • Retainer Fabrication Method: PRESSED
  • Load Direction: RADIAL
  • Flange Width: 0.0310 INCHES NOMINAL IN
  • Outer Ring Outside Diameter: 0.2500 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 3110-01-170-1536, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Simmonds Precision Products Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-170-1536
Primary Part NumberS326-5
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSimmonds Precision Products Inc
StatusACTIVE
Bore Diameter0.1250 INCHES MAXIMUM IN
Internal Clearance0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Shield Quantity2
Retainer Fabrication MethodPRESSED
Load DirectionRADIAL
Flange Width0.0310 INCHES NOMINAL IN
Outer Ring Outside Diameter0.2500 INCHES MAXIMUM IN
Flange Outside Diameter0.2960 INCHES NOMINAL IN
Lubrication MaterialGREASE
Surface FinishGROUND
Standard Tolerance DesignationABEC NO.3
Bore ShapeSTRAIGHT
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL CORROSION RESISTING OVERALL
Specification/standard Data12511-S326 MANUFACTURERS SPECIFICATION CONTROL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4520-01-040-0176S3-26-5 INTERCHANGEABLE
Shaft and Pinion
Todd Combustion Inc
Cross-Reference Index
Part NumberManufacturer
S326-5 New Hampshire Ball Bearings Inc Div Precision Division (USA)
S326-5 PRIMARY Simmonds Precision Products Inc (USA)
S418FCHH3 Mpb Corp Div Timken Super Precision (USA)
SSR1F-418ZZA3 New Hampshire Ball Bearings Inc Div Precision Division (USA)
SFR1443PPK18-36 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
Related Parts
4520-01-040-0176INTERCHANGEABLE
SHAFT AND PINION
S3-26-5

Frequently Asked Questions

What is NSN 3110-01-170-1536?

NSN 3110-01-170-1536 is a Bearing,ball,annular, manufactured by Simmonds Precision Products Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-170-1536?

NSN 3110-01-170-1536 has 5 cross-referenced part numbers: S326-5 (New Hampshire Ball Bearings Inc Div Precision Division), S326-5 (Simmonds Precision Products Inc), S418FCHH3 (Mpb Corp Div Timken Super Precision), SSR1F-418ZZA3 (New Hampshire Ball Bearings Inc Div Precision Division), SFR1443PPK18-36 (New Hampshire Ball Bearings Inc Div Hitech Division).

What NSN replaces 3110-01-170-1536?

There is 1 known substitute for 3110-01-170-1536: 4520-01-040-0176. Verify interchangeability with system specifications before substitution.

What are the specifications of S326-5?

Key specifications for S326-5: Bore Diameter: 0.1250 INCHES MAXIMUM IN; Internal Clearance: 0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Shield Quantity: 2; Retainer Fabrication Method: PRESSED. 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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