PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 789-3-6
789-3-6 ✓ 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 diameter: 0.199 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 BAND, lug_width: 0.500 INCHES NOMINAL IN, overall_width: 0.500 INCHES NOMINAL IN, style_designator: RIGHT HAND CLAMP & BRACKET, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6518, 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
789-3-6
NSN: 3110-00-155-6518
FSC: 3110
CAGE: 81142 — EATON CORP AXLE DIV (USA)
SPECIFICATIONS
diameter0.199 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 BAND
lug_width0.500 INCHES NOMINAL IN
overall_width0.500 INCHES NOMINAL IN
style_designatorRIGHT HAND CLAMP & BRACKET
tongue_hole_typeROUND, UNTHREADED
lug_hole_diameter0.257 INCHES NOMINAL IN
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter0.375 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/5 TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE BAND
distance_from_loop_center_to_tongue_end0.859 INCHES NOMINAL IN
distance_from_outer_edge_of_lug_to_hole_center0.250 INCHES NOMINAL IN
NSN3110-00-155-6518
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 789-3-6 · 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
•
BORE DIAMETER: 55.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
STYLE DESIGNATOR: SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER55.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL ROLLER
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE
MATERIALSTEEL INNER RING
OVERALL WIDTH21.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
U1207TMInterchangeable
interchangeable cross-reference
interchangeable
75-1228X258Interchangeable
interchangeable cross-reference
interchangeable
1228X258Interchangeable
interchangeable cross-reference
interchangeable
502257Interchangeable
interchangeable cross-reference
interchangeable
R120EInterchangeable
interchangeable cross-reference
interchangeable
NUL20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 789-3-6?
789-3-6 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 789-3-6?
There are 35 known substitutes for 789-3-6: U1207TM, 75-1228X258, 1228X258 and 32 more. Substitute compatibility should be verified for your specific system.
Is 789-3-6 still available?
789-3-6 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