PartsTable
Technical Data Sheet
PartsTable / COMPONENT / L-4
L-4 ✓ 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 color: WHITE SINGLE SIDE INSCRIPTION BACKGROUND, width: 1.000 INCHES NOMINAL IN, length: 2.250 INCHES NOMINAL IN, material: PLASTIC VINYL, unit_type: GUN, body_style: CYLINDRICAL W/SIDE TERMINALS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9145, 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
L-4
NSN: 3110-00-155-9145
FSC: 3110
CAGE: 08785 — ANN ARBOR BEARING AND MFG CO (USA)
SPECIFICATIONS
colorWHITE SINGLE SIDE INSCRIPTION BACKGROUND
width1.000 INCHES NOMINAL IN
length2.250 INCHES NOMINAL IN
materialPLASTIC VINYL
unit_typeGUN
body_styleCYLINDRICAL W/SIDE TERMINALS
bore_styleSTRAIGHT SPLINE BOTH ENDS
case_styleSQUARE
seal_width0.437 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
shaft_typeROUND
usage_formSINGULAR
body_length1.125 INCHES NOMINAL IN
NSN3110-00-155-9145
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: L-4 · 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
•
STYLE DESIGNATOR: FLAT RACE SURFACE, STAGGERED BALL RETAINER
•
OVERALL OUTSIDE DIAMETER: 1.3436 INCHES MINIMUM AND 1.3438 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
SURFACE FINISH: GROUND
•
ALIGNMENT TYPE: RIGID
•
BORE SMALLEST DIAMETER: 0.6915 INCHES MINIMUM AND 0.6935 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT RACE SURFACE, STAGGERED BALL RETAINER
OVERALL OUTSIDE DIAMETER1.3436 INCHES MINIMUM AND 1.3438 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
SURFACE FINISHGROUND
ALIGNMENT TYPERIGID
BORE SMALLEST DIAMETER0.6915 INCHES MINIMUM AND 0.6935 INCHES MAXIMUM IN
OVERALL HEIGHT0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
5616Interchangeable
interchangeable cross-reference
interchangeable
5-686Interchangeable
interchangeable cross-reference
interchangeable
SIJ2-2472Interchangeable
interchangeable cross-reference
interchangeable
A2104Interchangeable
interchangeable cross-reference
interchangeable
HP8491B-OPT030Interchangeable
interchangeable cross-reference
interchangeable
18N-30Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L-4?
L-4 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace L-4?
There are 29 known substitutes for L-4: 5616, 5-686, SIJ2-2472 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L-4?
L-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9145. 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