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Technical Data Sheet
PartsTable / COMPONENT / RK 3010X-48-2/12
RK 3010X-48-2/12 ✓ 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 RK 3010X-48-2/12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-404-4147, 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
RK 3010X-48-2/12
NSN: 3110-00-404-4147
FSC: 3110
CAGE: 59750 — RMB MINIATURE BEARINGS INC (USA)
SPECIFICATIONS
Part NumberRK 3010X-48-2/12
NSN3110-00-404-4147
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RK 3010X-48-2/12 · 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
•
FLANGE WIDTH: 0.0230 INCHES NOMINAL IN
•
BORE DIAMETER: 0.0937 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.3590 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 440C OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE WIDTH0.0230 INCHES NOMINAL IN
BORE DIAMETER0.0937 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.3590 INCHES NOMINAL IN
OVERALL WIDTH0.1094 INCHES NOMINAL IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 440C OVERALL
RETAINER FABRICATION METHODPRESSED
OUTER RING OUTSIDE DIAMETER0.3125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1788707-1Interchangeable
interchangeable cross-reference
interchangeable
SS5FCP25Interchangeable
interchangeable cross-reference
interchangeable
NM0620ZD5Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-39017/5Interchangeable
interchangeable cross-reference
interchangeable
10131305Interchangeable
interchangeable cross-reference
interchangeable
RLR05C6342FSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RK 3010X-48-2/12?
RK 3010X-48-2/12 is a RK 3010X-48-2/12.
What parts can replace RK 3010X-48-2/12?
There are 10 known substitutes for RK 3010X-48-2/12: 1788707-1, SS5FCP25, NM0620ZD5 and 7 more. Substitute compatibility should be verified for your specific system.
Is RK 3010X-48-2/12 still available?
RK 3010X-48-2/12 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