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Technical Data Sheet
PartsTable / MRO / 3540S
3540S ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,PRE. Key specifications include material: STEEL INNER RING, body_style: CYLINDRICAL BUSHING MOUNTED, bore_shape: STRAIGHT, body_length: 0.750 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, bearing_type: SLEEVE SHAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4145, 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
MRO→ MRO_GENERAL→ 3540S
NSN: 3110-00-227-4145
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL INNER RING
body_styleCYLINDRICAL BUSHING MOUNTED
bore_shapeSTRAIGHT
body_length0.750 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
bearing_typeSLEEVE SHAFT
shaft_length0.813 INCHES NOMINAL IN
shaft_runout0.003 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
cubic_measure0.345 CUBIC INCHES
lateral_runout0.005 INCHES IN
NSN3110-00-227-4145
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3540S · 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
•
MATERIAL: STEEL OUTER RING
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL ROLLER
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
2100-1994Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3540S?
3540S is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3540S?
There is 1 known substitute for 3540S: 2100-1994. Substitute compatibility should be verified for your specific system.
What is the NSN for 3540S?
3540S is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-4145. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026