PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM1102KABearing,ball,annular

Timken Co Div the Timken Company · NSN 3110-00-156-8103 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-156-8103 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-156-8103. Primary manufacturer part number: SM1102KA.
Features
  • Bearing,ball,annular — FSC 3110
  • Material: STEEL INNER RING
  • Style Designator: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
  • Material: STEEL OUTER RING
  • Material: STEEL BALL
  • Bore Shape: STRAIGHT
  • Surface Finish: GROUND
  • Load Direction: RADIAL
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 3110-00-156-8103, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-156-8103
Primary Part NumberSM1102KA
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerTimken Co Div the Timken Company
StatusACTIVE
MaterialSTEEL INNER RING
Style DesignatorSINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR
MaterialSTEEL OUTER RING
MaterialSTEEL BALL
Bore ShapeSTRAIGHT
Surface FinishGROUND
Load DirectionRADIAL
Internal Fit-Up DesignationSTANDARD
Bore Diameter1.1250 INCHES MINIMUM AND 1.1255 INCHES MAXIMUM IN
Overall Outside Diameter2.4404 INCHES MINIMUM AND 2.4409 INCHES MAXIMUM IN
Outer Ring Width16.00 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-494-5861 INTERCHANGEABLE
Connector,plug,electrical
4220-01-261-176890-162 INTERCHANGEABLE
Cylinder,carbon Dio
Switlik Parachute Company, Inc. Dba Switlik Parachute Co Inc
6505-01-286-9589 INTERCHANGEABLE
Dextrose Injection
Cross-Reference Index
Part NumberManufacturer
S1102 Champion Machinery Co (USA)
SM1102KA PRIMARY Timken Co Div the Timken Company (USA)
77 Cleveland Trencher Co Inc (USA)
SM1102KATYPE Timken Co Div the Timken Company (USA)
Related Parts
5935-00-494-5861INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4220-01-261-1768INTERCHANGEABLE
CYLINDER,CARBON DIO
90-162
6505-01-286-9589INTERCHANGEABLE
DEXTROSE INJECTION

Frequently Asked Questions

What is NSN 3110-00-156-8103?

NSN 3110-00-156-8103 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 3110-00-156-8103?

NSN 3110-00-156-8103 has 4 cross-referenced part numbers: S1102 (Champion Machinery Co), SM1102KA (Timken Co Div the Timken Company), 77 (Cleveland Trencher Co Inc), SM1102KATYPE (Timken Co Div the Timken Company).

What NSN replaces 3110-00-156-8103?

There are 3 known substitutes for 3110-00-156-8103: 5935-00-494-5861, 4220-01-261-1768, 6505-01-286-9589. Verify interchangeability with system specifications before substitution.

What are the specifications of SM1102KA?

Key specifications for SM1102KA: Material: STEEL INNER RING; Style Designator: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDED BOTH SIDES, WITH ECCENTRIC LOCKING COLLAR; Material: STEEL OUTER RING; Material: STEEL BALL. 12 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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