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Technical Data Sheet
PartsTable / COMPONENT / 251-53
251-53 ✓ 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 TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: WINCH, HYDRAULIC, part_name_assigned_by_controlling_agency: CIRCLIP ROTOR CLIP HO-662. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-109-1123, 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
251-53
NSN: 3110-00-109-1123
FSC: 3110
CAGE: 60361 — TORO CO THE (USA)
SPECIFICATIONS
end_item_identificationWINCH, HYDRAULIC
part_name_assigned_by_controlling_agencyCIRCLIP ROTOR CLIP HO-662
NSN3110-00-109-1123
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 251-53 · 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: 20.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL OUTER RING
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER20.00 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONNSN 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEEREXCAVATOR)
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
MATERIALSTEEL BALL
MATERIALRUBBER SYNTHETIC SEAL
MATERIALSTEEL RETAINER
MATERIALSTEEL INNER RING
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
35-18048ZInterchangeable
interchangeable cross-reference
interchangeable
50005Interchangeable
interchangeable cross-reference
interchangeable
H5333-10Interchangeable
interchangeable cross-reference
interchangeable
35246Interchangeable
interchangeable cross-reference
interchangeable
6204ZZInterchangeable
interchangeable cross-reference
interchangeable
55453Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251-53?
251-53 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 251-53?
There are 30 known substitutes for 251-53: 35-18048Z, 50005, H5333-10 and 27 more. Substitute compatibility should be verified for your specific system.
Is 251-53 still available?
251-53 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