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Technical Data Sheet
PartsTable / COMPONENT / 550508
550508 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, flange_width: 0.0230 INCHES NOMINAL IN, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 1.0000 INCHES NOMINAL IN, alignment_type: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3241, 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
550508
NSN: 3110-00-227-3241
FSC: 3110
CAGE: 11757 — PARKER HANNIFIN CORPORATION DIV CHELSEA PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
flange_width0.0230 INCHES NOMINAL IN
bore_diameter0.1250 INCHES NOMINAL IN
overall_width1.0000 INCHES NOMINAL IN
alignment_typeRIGID
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.1406 INCHES NOMINAL IN
outer_ring_width0.1094 INCHES NOMINAL IN
special_features320 MGI/ML
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
NSN3110-00-227-3241
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 550508 · 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
•
ALIGNMENT TYPE: RIGID
•
SURFACE FINISH: GROUND
•
MATERIAL: STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 ROLLER
•
BORE DIAMETER: 1.0000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OR SAE J404 ASSN STD ALL MATERIAL RESPONSES ROLLER
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
SURFACE FINISHGROUND
MATERIALSTEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 ROLLER
BORE DIAMETER1.0000 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OR SAE J404 ASSN STD ALL MATERIAL RESPONSES ROLLER
OVERALL WIDTH1.0000 INCHES NOMINAL IN
MATERIALSTEEL COMP E4340H OR STEEL COMP 4720 OR STEEL COMP 8620 OR STEEL COMP 8720 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP E51100 OR STEEL COMP E50100 OR STEEL COMP E52100 OUTER RING
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIALSTEEL OR COPPER ALLOY RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
504397H124Interchangeable
interchangeable cross-reference
interchangeable
80560-417Interchangeable
interchangeable cross-reference
interchangeable
849635-0001Interchangeable
interchangeable cross-reference
interchangeable
214-010-439-001Interchangeable
interchangeable cross-reference
interchangeable
214-010-439Interchangeable
interchangeable cross-reference
interchangeable
HJ162416Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 550508?
550508 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace 550508?
There are 32 known substitutes for 550508: 504397H124, 80560-417, 849635-0001 and 29 more. Substitute compatibility should be verified for your specific system.
Is 550508 still available?
550508 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