PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 27550
27550 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: PLASTIC CASE, plate_type: NEGATIVE OR POSITIVE, construction: SLOT WOUND, overall_width: 6.750 INCHES NOMINAL IN, terminal_type: TAPER POST, alignment_type: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6189, 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
27550
NSN: 3110-00-158-6189
FSC: 3110
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialPLASTIC CASE
plate_typeNEGATIVE OR POSITIVE
constructionSLOT WOUND
cell_quantity6
overall_width6.750 INCHES NOMINAL IN
terminal_typeTAPER POST
alignment_typeRIGID
overall_height8.750 INCHES NOMINAL IN
overall_length12.000 INCHES NOMINAL IN
surface_finishGROUND
case_design_typeSEALED
overall_diameter6.0000 INCHES NOMINAL IN
NSN3110-00-158-6189
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 27550 · 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
•
OVERALL OUTSIDE DIAMETER: 4.0600 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
RETAINER FABRICATION METHOD: PRESSED
•
BORE SMALLEST DIAMETER: 2.7495 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
SPECIAL FEATURESBANDED OD
OVERALL OUTSIDE DIAMETER4.0600 INCHES NOMINAL IN
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
BORE SMALLEST DIAMETER2.7495 INCHES MINIMUM AND 2.7500 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR THRUST BEARINGS
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A2104Interchangeable
interchangeable cross-reference
interchangeable
MS17162Interchangeable
interchangeable cross-reference
interchangeable
B4Interchangeable
interchangeable cross-reference
interchangeable
6168Interchangeable
interchangeable cross-reference
interchangeable
2810K42Interchangeable
interchangeable cross-reference
interchangeable
061689Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 27550?
27550 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 27550?
There are 19 known substitutes for 27550: A2104, MS17162, B4 and 16 more. Substitute compatibility should be verified for your specific system.
Is 27550 still available?
27550 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