PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1108KRBearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-518-5544 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-518-5544 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-518-5544. Primary manufacturer part number: 1108KR.
Features
  • Bearing,ball,annular — FSC 3110
  • Bearing Seal Type: CONTACT
  • Material: STEEL INNER RING
  • Material: RUBBER SYNTHETIC SEAL
  • Style Designator: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
  • Material: STEEL RETAINER
  • Material: STEEL BALL
  • Outer Ring Width: 18.00 MILLIMETERS NOMINAL MM
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-518-5544, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN3110-00-518-5544
Primary Part Number1108KR
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Bearing Seal TypeCONTACT
MaterialSTEEL INNER RING
MaterialRUBBER SYNTHETIC SEAL
Style DesignatorSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
MaterialSTEEL RETAINER
MaterialSTEEL BALL
Outer Ring Width18.00 MILLIMETERS NOMINAL MM
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter80.00 MILLIMETERS NOMINAL MM
Surface FinishGROUND
Bore Diameter1.5000 INCHES NOMINAL IN
Bore ShapeSTRAIGHT
Seal Quantity1
Retainer Fabrication MethodPRESSED
MaterialSTEEL OUTER RING
Load DirectionRADIAL
Standard Tolerance DesignationABEC NO.1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4320-00-038-0641Z55 INTERCHANGEABLE
Deflector,dirt and Liquid
Circor Naval Solutions Llc Dba Warren Pumps
5940-00-258-2124151 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5895-01-352-7207Z55 INTERCHANGEABLE
Recorder,signal Data
Instruments Service & Equipment, Inc.
5940-01-416-0172Z55 INTERCHANGEABLE
Terminal,lug
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
1108KRZ55 Clow Corp Pump Div (USA)
Z55 Clow Corp Pump Div (USA)
1108KR PRIMARY Timken Co Div the Timken Company (USA)
Related Parts
4320-00-038-0641INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
Z55
5940-00-258-2124INTERCHANGEABLE
TERMINAL,LUG
151
5895-01-352-7207INTERCHANGEABLE
RECORDER,SIGNAL DATA
Z55
5940-01-416-0172INTERCHANGEABLE
TERMINAL,LUG
Z55

Frequently Asked Questions

What is NSN 3110-00-518-5544?

NSN 3110-00-518-5544 is a Bearing,ball,annular, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-518-5544?

NSN 3110-00-518-5544 has 3 cross-referenced part numbers: 1108KRZ55 (Clow Corp Pump Div), Z55 (Clow Corp Pump Div), 1108KR (Timken Co Div the Timken Company).

What NSN replaces 3110-00-518-5544?

There are 4 known substitutes for 3110-00-518-5544: 4320-00-038-0641, 5940-00-258-2124, 5895-01-352-7207 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1108KR?

Key specifications for 1108KR: Bearing Seal Type: CONTACT; Material: STEEL INNER RING; Material: RUBBER SYNTHETIC SEAL; Style Designator: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR. 18 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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