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Technical Data Sheet
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JU261 ✓ 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,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 70.0 MILLIMETERS NOMINAL MM, overall_width: 35.0 MILLIMETERS NOMINAL MM, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-7340, 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
JU261
NSN: 3110-00-155-7340
FSC: 3110
CAGE: 72915 — GENERAL MOTORS CORP ELECTRO-MOTIVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter70.0 MILLIMETERS NOMINAL MM
overall_width35.0 MILLIMETERS NOMINAL MM
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
internal_clearance0.0035 INCHES MINIMUM RADIAL AND 0.0044 INCHES MAXIMUM RADIAL IN
overall_outside_diameter150.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-00-155-7340
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: JU261 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
R330Interchangeable
interchangeable cross-reference
interchangeable
A-A-55602Interchangeable
interchangeable cross-reference
interchangeable
R135Interchangeable
interchangeable cross-reference
interchangeable
72-6970-728Interchangeable
interchangeable cross-reference
interchangeable
BU0307ZInterchangeable
interchangeable cross-reference
interchangeable
N307ECPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JU261?
JU261 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace JU261?
There are 30 known substitutes for JU261: R330, A-A-55602, R135 and 27 more. Substitute compatibility should be verified for your specific system.
Is JU261 still available?
JU261 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