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Technical Data Sheet
PartsTable / COMPONENT / 187363
187363 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: ALUMINUM OR STEEL CASE, unit_type: MOUNTED, body_depth: 2.031 INCHES NOMINAL IN, current_type: DC, body_diameter: 2.09375 INCHES NOMINAL IN, marking_color: BLACK NUMERALS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4349, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
187363
NSN: 3110-00-142-4349
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialALUMINUM OR STEEL CASE
unit_typeMOUNTED
body_depth2.031 INCHES NOMINAL IN
current_typeDC
body_diameter2.09375 INCHES NOMINAL IN
marking_colorBLACK NUMERALS
mounting_typePANEL
movement_typeELECTRICAL
reset_featureNOT PROVIDED
terminal_typeWIRE LEAD
indicator_typeDRUM REGISTER
voltage_rating24.0 VOLTS NOMINAL
NSN3110-00-142-4349
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 187363 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BORE DIAMETER: 2.0000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 1.4200 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER2.0000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH1.4200 INCHES NOMINAL IN
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
12364379-1Interchangeable
interchangeable cross-reference
interchangeable
529Interchangeable
interchangeable cross-reference
interchangeable
5B4106Interchangeable
interchangeable cross-reference
interchangeable
MS16842-Z1-5Interchangeable
interchangeable cross-reference
interchangeable
35852BInterchangeable
interchangeable cross-reference
interchangeable
15-158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 187363?
187363 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 187363?
There are 21 known substitutes for 187363: 12364379-1, 529, 5B4106 and 18 more. Substitute compatibility should be verified for your specific system.
Is 187363 still available?
187363 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026