PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

208PP3Bearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-686-1155 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-686-1155 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-686-1155. Primary manufacturer part number: 208PP3.
Features
  • Bearing,ball,annular — FSC 3110
  • Inner Ring Width: 0.8218 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM IN
  • Surface Finish: GROUND
  • Lubrication Material: GREASE
  • Seal Quantity: 2
  • Outer Ring Width: 1.1250 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
  • Standard Tolerance Designation: ABEC NO.1
  • Lubrication Material Document and Classification: ANDOK C,FSCM 29700 MFR REF SINGLE MATERIAL RESPONSE
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp E52100 Inner Ring construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-686-1155, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-686-1155
Primary Part Number208PP3
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
Inner Ring Width0.8218 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM IN
Surface FinishGROUND
Lubrication MaterialGREASE
Seal Quantity2
Outer Ring Width1.1250 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
Standard Tolerance DesignationABEC NO.1
Lubrication Material Document and ClassificationANDOK C,FSCM 29700 MFR REF SINGLE MATERIAL RESPONSE
Retainer Fabrication MethodPRESSED
Bearing Seal TypeCONTACT
MaterialSTEEL COMP E52100 INNER RING
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAL
MaterialSTEEL COMP E52100 OUTER RING
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING
MaterialSTEEL COMP E52100 BALL
MaterialSTEEL RETAINER
Material Document and ClassificationMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE BALL
Overall Outside Diameter4.1970 INCHES MINIMUM AND 4.2030 INCHES MAXIMUM IN
Bore Diameter1.5743 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5110-00-260-1705 INTERCHANGEABLE
Reamer,hand
2520-00-395-3066 INTERCHANGEABLE
Shaft,axle,automotive
4820-00-565-504230-470-4 INTERCHANGEABLE
Valve Manual Thrott
Parker-Hannifin Corporation Dba Pneutronics Div Instrumentation Products Division
5310-00-891-5670N59615 INTERCHANGEABLE
Washer,seal
Leslie Controls, Inc. Dba Leslie Controls Inc
4310-01-325-23383-0470 INTERCHANGEABLE
Vacuum Pump Unit,rotary
Roconex Corporation
5310-01-559-3587L140125-24 INTERCHANGEABLE
Washer,flat
Bae Systems Information & Electronic Systems Integration Inc.
4720-01-618-6921 INTERCHANGEABLE
Hose Assembly,nonmetallic
5855-01-632-347630470 INTERCHANGEABLE
Cap,lens
Butler Creek
Cross-Reference Index
Part NumberManufacturer
208PP3 PRIMARY Timken Co Div the Timken Company (USA)
30470 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5110-00-260-1705INTERCHANGEABLE
REAMER,HAND
2520-00-395-3066INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
4820-00-565-5042INTERCHANGEABLE
VALVE MANUAL THROTT
30-470-4
5310-00-891-5670INTERCHANGEABLE
WASHER,SEAL
N59615
4310-01-325-2338INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
3-0470
5310-01-559-3587INTERCHANGEABLE
WASHER,FLAT
L140125-24
4720-01-618-6921INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5855-01-632-3476INTERCHANGEABLE
CAP,LENS
30470

Frequently Asked Questions

What is NSN 3110-00-686-1155?

NSN 3110-00-686-1155 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 3110-00-686-1155?

NSN 3110-00-686-1155 has 2 cross-referenced part numbers: 208PP3 (Timken Co Div the Timken Company), 30470 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 3110-00-686-1155?

There are 8 known substitutes for 3110-00-686-1155: 5110-00-260-1705, 2520-00-395-3066, 4820-00-565-5042 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 208PP3?

Key specifications for 208PP3: Inner Ring Width: 0.8218 INCHES MINIMUM AND 0.8268 INCHES MAXIMUM IN; Surface Finish: GROUND; Lubrication Material: GREASE; Seal Quantity: 2. 19 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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