PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BCSR186SSZAX2Bearing,ball,annular

Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation · NSN 3110-01-034-2852 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-01-034-2852 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-034-2852. Primary manufacturer part number: BCSR186SSZAX2.
Features
  • Bearing,ball,annular — FSC 3110
  • Standard Tolerance Designation: ABEC NO.7
  • Bore Shape: STRAIGHT
  • Lubrication Material: OIL
  • Shield Quantity: 2
  • Calibration Designator: CAA
  • Load Direction: RADIAL
  • Surface Finish: GROUND
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 440A Ball construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-034-2852, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-01-034-2852
Primary Part NumberBCSR186SSZAX2
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSchaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
StatusACTIVE
Standard Tolerance DesignationABEC NO.7
Bore ShapeSTRAIGHT
Lubrication MaterialOIL
Shield Quantity2
Calibration DesignatorCAA
Load DirectionRADIAL
Surface FinishGROUND
Retainer Fabrication MethodMACHINED
Internal Clearance0.0003 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING
MaterialSTEEL COMP 440A BALL A
MaterialSTEEL COMP 302 SHIELD
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE SHIELD
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
MaterialSTEEL COMP 440A INNER RING A
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE BALL
MaterialSTEEL COMP 440A OUTER RING A
MaterialPLASTIC TETRAFLUOROETHYLENE RETAINER
Lubrication Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
Bore Diameter0.1875 INCHES NOMINAL IN
Overall Outside Diameter0.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-104-4858 INTERCHANGEABLE
Resonator,magnetostriction
5365-00-110-518330482 INTERCHANGEABLE
Spacer,sleeve
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
1630-00-831-5596304-82 INTERCHANGEABLE
Parts Kit,overhaul,
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5930-00-950-8123 INTERCHANGEABLE
Switch,toggle
1620-01-201-046330482 INTERCHANGEABLE
Slide
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5365-01-225-253230482 INTERCHANGEABLE
Spacer,ring
Hamilton Sundstrand Corporation Dba Collins Aerospace
5120-01-571-039230-482 INTERCHANGEABLE
Crimping Tool,terminal,hand
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
E101-800 Mpb Corp Div Timken Super Precision (USA)
BCSR186SSZAX2 PRIMARY Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
30482 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
5999-00-104-4858INTERCHANGEABLE
RESONATOR,MAGNETOSTRICTION
5365-00-110-5183INTERCHANGEABLE
SPACER,SLEEVE
30482
1630-00-831-5596INTERCHANGEABLE
PARTS KIT,OVERHAUL,
304-82
5930-00-950-8123INTERCHANGEABLE
SWITCH,TOGGLE
1620-01-201-0463INTERCHANGEABLE
SLIDE
30482
5365-01-225-2532INTERCHANGEABLE
SPACER,RING
30482
5120-01-571-0392INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
30-482

Frequently Asked Questions

What is NSN 3110-01-034-2852?

NSN 3110-01-034-2852 is a Bearing,ball,annular, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-01-034-2852?

NSN 3110-01-034-2852 has 3 cross-referenced part numbers: E101-800 (Mpb Corp Div Timken Super Precision), BCSR186SSZAX2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 30482 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 3110-01-034-2852?

There are 7 known substitutes for 3110-01-034-2852: 5999-00-104-4858, 5365-00-110-5183, 1630-00-831-5596 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BCSR186SSZAX2?

Key specifications for BCSR186SSZAX2: Special Features: BEARINGS SHALL HAVE FACES AND CHAMFERS BARRIER FILM COATED WITH MIL-B-81744,AND APPLICATION PER MIL-STD-1334; Standard Tolerance Designation: ABEC NO.7; Bore Shape: STRAIGHT; Lubrication Material: OIL. 24 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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