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Technical Data Sheet
PartsTable / COMPONENT / 120261
120261 ✓ Verified by PartsTable
Zyxel · 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,ROLLER,CYLINDRICAL is a Zyxel industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, tray_handle: FURNISHED, bore_diameter: 50.0 MILLIMETERS NOMINAL MM, overall_width: 27.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-7344, 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
120261
NSN: 3110-00-100-7344
FSC: 3110
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
tray_handleFURNISHED
bore_diameter50.0 MILLIMETERS NOMINAL MM
overall_width27.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
tray_overall_width12.2 INCHES NOMINAL IN
tray_overall_length16.4 INCHES NOMINAL IN
end_item_identificationSTEERING GEAR SYSTEM 20666
overall_outside_diameter110.0 MILLIMETERS NOMINAL MM
NSN3110-00-100-7344
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 120261 · Zyxel ⚠ 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: 110.0 MILLIMETERS NOMINAL MM
•
BORE DIAMETER: 50.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER110.0 MILLIMETERS NOMINAL MM
BORE DIAMETER50.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS ON OUTER, NON-SEPARABLE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
OVERALL WIDTH27.0 MILLIMETERS NOMINAL MM
LOCATING FEATURENONLOCATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
M3-10Interchangeable
interchangeable cross-reference
interchangeable
714141Interchangeable
interchangeable cross-reference
interchangeable
52548DInterchangeable
interchangeable cross-reference
interchangeable
273829-134Interchangeable
interchangeable cross-reference
interchangeable
191038Interchangeable
interchangeable cross-reference
interchangeable
MILT13487Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120261?
120261 is a BEARING,ROLLER,CYLINDRICAL manufactured by Zyxel.
What parts can replace 120261?
There are 19 known substitutes for 120261: M3-10, 714141, 52548D and 16 more. Substitute compatibility should be verified for your specific system.
Is 120261 still available?
120261 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