PartsTable
Technical Data Sheet
55259 ✓ Verified by PartsTable
Tactic · 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

This product is made in Finland, at Tactic Games' own responsible factory. Our own production ensures the traceability of all materials, and we were awarded the FSC certificate in 2021. We also monitor our carbon footprint closely.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5791, 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
55259
NSN: 3110-00-554-5791
FSC: 3110
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
design_typeREUSABLE
body_diameter3.125 INCHES NOMINAL IN
alignment_typeRIGID
body_thickness0.062 INCHES NOMINAL IN
overall_height0.2088 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN
surface_finishGROUND
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_featuresFREE FLOWING END TO ACCOMODATE 0.375 IN.ID HOSE IN
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
NSN3110-00-554-5791
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 55259 · Tactic ⚠ 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
ALIGNMENT TYPE: RIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
RETAINER FABRICATION METHOD: MACHINED
SURFACE FINISH: GROUND
BORE SMALLEST DIAMETER: 0.2520 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER: 0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
STYLE DESIGNATOR: FLAT RACE SURFACE, IN LINE BALL RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
BORE SMALLEST DIAMETER0.2520 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN
OVERALL HEIGHT0.2088 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT RACE SURFACE, IN LINE BALL RETAINER
MATERIALSTEEL WASHER
MATERIALSTEEL BALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
S-1312Interchangeable
interchangeable cross-reference
interchangeable
683Interchangeable
interchangeable cross-reference
interchangeable
5072Interchangeable
interchangeable cross-reference
interchangeable
61479Interchangeable
interchangeable cross-reference
interchangeable
SA5Interchangeable
interchangeable cross-reference
interchangeable
A05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55259?
55259 is a CUTTER,MILLING,METAL SLITTING manufactured by Tactic.
What parts can replace 55259?
There are 28 known substitutes for 55259: S-1312, 683, 5072 and 25 more. Substitute compatibility should be verified for your specific system.
Is 55259 still available?
55259 is currently cancelled.
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