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Technical Data Sheet
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RMS9 ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.6875 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-8898, 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
RMS9
NSN: 3110-00-155-8898
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.6875 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
overall_outside_diameter2.2500 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data115 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
NSN3110-00-155-8898
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RMS9 · 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
•
NONDEFINITIVE SPEC/STD DATA: 115 TYPE AND 00 GRADE
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LOAD DIRECTION: RADIAL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY OVERALL OUTSIDE DIAMETER; AS MODIFIED BY OVERALL WIDTH
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY OVERALL OUTSIDE DIAMETER; AS MODIFIED BY OVERALL WIDTH
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA115 TYPE AND 00 GRADE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
LOAD DIRECTIONRADIAL
INTERNAL FIT-UP DESIGNATIONSTANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
S300Interchangeable
interchangeable cross-reference
interchangeable
150LInterchangeable
interchangeable cross-reference
interchangeable
WH-1Interchangeable
interchangeable cross-reference
interchangeable
B5-59-402Interchangeable
interchangeable cross-reference
interchangeable
401069-002Interchangeable
interchangeable cross-reference
interchangeable
168JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RMS9?
RMS9 is a BEARING,BALL,ANNULAR.
What parts can replace RMS9?
There are 15 known substitutes for RMS9: S300, 150L, WH-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RMS9?
RMS9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-8898. 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