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Technical Data Sheet
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RMS12 ✓ 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: 1.5000 INCHES NOMINAL IN, overall_width: 0.9375 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-293-8908, 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
RMS12
NSN: 3110-00-293-8908
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.5000 INCHES NOMINAL IN
overall_width0.9375 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter3.7500 INCHES NOMINAL IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-293-8908
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RMS12 · 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
•
OVERALL OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
•
BORE DIAMETER: 1.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
BORE DIAMETER1.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
OVERALL WIDTH0.9375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
H11Interchangeable
interchangeable cross-reference
interchangeable
H011Interchangeable
interchangeable cross-reference
interchangeable
H1Interchangeable
interchangeable cross-reference
interchangeable
571-3402-1303157PCSP55Interchangeable
interchangeable cross-reference
interchangeable
WS506Interchangeable
interchangeable cross-reference
interchangeable
AL9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RMS12?
RMS12 is a BEARING,BALL,ANNULAR.
What parts can replace RMS12?
There are 11 known substitutes for RMS12: H11, H011, H1 and 8 more. Substitute compatibility should be verified for your specific system.
Is RMS12 still available?
RMS12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026