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RNB1811-5 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RNB1811-5: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.8131 INCHES MINIMUM AND 1.8135 INCHES MAXIMUM IN, surface_finish: GROUND, overall_outside_diameter: 2.7494 INCHES MINIMUM AND 2.7502 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-069-1618, 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
RNB1811-5
NSN: 3110-00-069-1618
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.8131 INCHES MINIMUM AND 1.8135 INCHES MAXIMUM IN
surface_finishGROUND
overall_outside_diameter2.7494 INCHES MINIMUM AND 2.7502 INCHES MAXIMUM IN
NSN3110-00-069-1618
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RNB1811-5 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 2.7494 INCHES MINIMUM AND 2.7502 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 1.8131 INCHES MINIMUM AND 1.8135 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER2.7494 INCHES MINIMUM AND 2.7502 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
BORE DIAMETER1.8131 INCHES MINIMUM AND 1.8135 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
MCS-209-903Reference document
Same NSN cross-reference
Reference document — Secondary reference
MCS-209-908Reference document
Same NSN cross-reference
Reference document — Secondary reference
MCS-209-907Reference document
Same NSN cross-reference
Reference document — Secondary reference
56445Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
13463001Reference document
Same NSN cross-reference
Reference document — Secondary reference
MCS-209-905Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RNB1811-5?
RNB1811-5 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace RNB1811-5?
There are 6 known substitutes for RNB1811-5: MCS-209-903, MCS-209-908, MCS-209-907 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RNB1811-5?
RNB1811-5 is cataloged in the U.S. Government catalog under NSN 3110-00-069-1618. 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.