PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S326-4Bearing,ball,annular

New Hampshire Ball Bearings Inc Div Precision Division · NSN 3110-01-180-4822 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-180-4822 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-180-4822. Primary manufacturer part number: S326-4.
Features
  • Bearing,ball,annular — FSC 3110
  • Surface Finish: GROUND
  • Outer Ring Outside Diameter: 0.3125 INCHES NOMINAL IN
  • Alignment Type: RIGID
  • Flange Outside Diameter: 0.3590 INCHES NOMINAL IN
  • Flange Width: 0.0310 INCHES NOMINAL IN
  • Bore Shape: STRAIGHT
  • Retainer Fabrication Method: PRESSED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440c Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-180-4822, 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 Precision Division. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-180-4822
Primary Part NumberS326-4
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerNew Hampshire Ball Bearings Inc Div Precision Division
StatusACTIVE
Surface FinishGROUND
Outer Ring Outside Diameter0.3125 INCHES NOMINAL IN
Alignment TypeRIGID
Flange Outside Diameter0.3590 INCHES NOMINAL IN
Flange Width0.0310 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Retainer Fabrication MethodPRESSED
Standard Tolerance DesignationABEC NO.3
Shield Quantity2
Load DirectionRADIAL
Internal Clearance0.0001 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Lubrication MaterialGREASE
MaterialSTEEL COMP 440C BALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Material Document and ClassificationSAE J405 ASSN STD ALL MATERIAL RESPONSES INNER RING
MaterialSTEEL COMP 416SE OR STEEL COMP 440A OR STEEL COMP 430F OR STEEL COMP 440C OR STEEL COMP 431 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 440B OR STEEL COMP 416 OR STEEL COMP 430 OR STEEL COMP 440F OR STEEL COMP 420 OR STEEL COMP 420F OR STEEL COMP 416 PLUS X OR STEEL COMP 420FSE OR STEEL COMP 430FSE OR STEEL COMP 440FSE OR STEEL COMP 403 OR STEEL COMP 414 OR STEEL COMP 446 RETAINER A
MaterialSTEEL COMP 440C OUTER RING
MaterialSTEEL COMP 348 OR STEEL COMP 301 OR STEEL COMP 303PB OR STEEL COMP 303MA OR STEEL COMP 303 PLUS X OR STEEL COMP 321 OR STEEL COMP 302B OR STEEL COMP 310S OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 303CU OR STEEL COMP 309S OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 304 OR STEEL COMP 384 OR STEEL COMP 314 OR STEEL COMP 347 OR STEEL COMP 303 OR STEEL COMP 302 OR STEEL COMP 305 OR STEEL COMP 317 OR STEEL COMP 303SE OR STEEL COMP 304L OR STEEL COMP 385 SHIELD
MaterialSTEEL COMP 440C INNER RING
Material Document and ClassificationSAE J405 ASSN STD ALL MATERIAL RESPONSES BALL
Material Document and ClassificationSAE J405 ASSN STD ALL MATERIAL RESPONSES OUTER RING
Material Document and ClassificationSAE J405 ASSN STD ALL MATERIAL RESPONSES SHIELD
Material Document and ClassificationSAE J405 ASSN STD ALL MATERIAL RESPONSES RETAINER
Bore Diameter0.0937 INCHES NOMINAL IN
Lubrication Material Document and ClassificationVERSILUBE G-300,FSCM 01139 MFR REF SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6130-00-170-3968S326 INTERCHANGEABLE
Power Supply
Tdk-Lambda Americas Inc. Div High Power Division
3120-00-725-75307341456 INTERCHANGEABLE
Bearing,plain,rod End
U S Army Tank Automotive Command Amsta-Im-Mm
5895-01-240-2022521P INTERCHANGEABLE
Joystick,data Entry
Measurement Systems Inc
3110-01-241-0855S5FCHH5 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corp Div Timken Super Precision
5315-01-371-72206508611 INTERCHANGEABLE
Pin,straight,headless
Naval Sea Systems Command
5340-01-572-7705S3264 INTERCHANGEABLE
Magnet,permanent
Magnetic Component Engineering, Llc Dba Magnetic Component Engineering Inc
Cross-Reference Index
Part NumberManufacturer
SFR1-53PPK18/36 New Hampshire Ball Bearings Inc Div Hitech Division (USA)
S326-4 Simmonds Precision Products Inc (USA)
S326-4 Mpb Corp Div Timken Super Precision (USA)
S5FCHH3 Mpb Corp Div Timken Super Precision (USA)
SSRIF-5ZZHA3P18LY15 New Hampshire Ball Bearings Inc Div Precision Division (USA)
SSR1F-5ZZA3 New Hampshire Ball Bearings Inc Div Precision Division (USA)
S326-4 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
S326 Mpb Corp Div Timken Super Precision (USA)
S326 New Hampshire Ball Bearings Inc Div Precision Division (USA)
S5FCHH5 Mpb Corp Div Timken Super Precision (USA)
Related Parts
6130-00-170-3968INTERCHANGEABLE
POWER SUPPLY
S326
3120-00-725-7530INTERCHANGEABLE
BEARING,PLAIN,ROD END
7341456
5895-01-240-2022INTERCHANGEABLE
JOYSTICK,DATA ENTRY
521P
3110-01-241-0855INTERCHANGEABLE
BEARING,BALL,ANNULAR
S5FCHH5
5315-01-371-7220INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6508611
5340-01-572-7705INTERCHANGEABLE
MAGNET,PERMANENT
S3264

Frequently Asked Questions

What is NSN 3110-01-180-4822?

NSN 3110-01-180-4822 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-180-4822?

NSN 3110-01-180-4822 has 10 cross-referenced part numbers: SFR1-53PPK18/36 (New Hampshire Ball Bearings Inc Div Hitech Division), S326-4 (Simmonds Precision Products Inc), S326-4 (Mpb Corp Div Timken Super Precision), S5FCHH3 (Mpb Corp Div Timken Super Precision), SSRIF-5ZZHA3P18LY15 (New Hampshire Ball Bearings Inc Div Precision Division) and 5 more.

What NSN replaces 3110-01-180-4822?

There are 6 known substitutes for 3110-01-180-4822: 6130-00-170-3968, 3120-00-725-7530, 5895-01-240-2022 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S326-4?

Key specifications for S326-4: Surface Finish: GROUND; Outer Ring Outside Diameter: 0.3125 INCHES NOMINAL IN; Alignment Type: RIGID; Flange Outside Diameter: 0.3590 INCHES NOMINAL IN. 27 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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