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RLS18 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RLS18: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT, bore_diameter: 2.2500 INCHES NOMINAL IN, overall_width: 0.8750 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND, lubrication_material: LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-8943, 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
RLS18
NSN: 3110-00-155-8943
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter2.2500 INCHES NOMINAL IN
overall_width0.8750 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
lubrication_materialLUBRICANT
overall_outside_diameter4.5000 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-8943
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RLS18 · 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
•
LUBRICATION MATERIAL: LUBRICANT
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 4.5000 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALLUBRICANT
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
OVERALL WIDTH0.8750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER4.5000 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER2.2500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
LS16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RLS18?
RLS18 is a BEARING,BALL,ANNULAR.
What parts can replace RLS18?
There is 1 known substitute for RLS18: LS16. Substitute compatibility should be verified for your specific system.
What is the NSN for RLS18?
RLS18 is cataloged in the U.S. Government catalog under NSN 3110-00-155-8943. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.