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Technical Data Sheet
PartsTable / COMPONENT / 20504-31
20504-31 ✓ 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

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include material: STEEL OVERALL, body_style: RECTANGULAR SHAPERECTANGULAR SHAPE, bore_shape: STRAIGHT, bore_diameter: 10.00 MILLIMETERS NOMINAL MM, overall_width: 1.110 INCHES NOMINAL1.110 INCHES NOMINAL IN, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-555-5225, 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
20504-31
NSN: 3110-00-555-5225
FSC: 3110
CAGE: 83298 — ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleRECTANGULAR SHAPERECTANGULAR SHAPE
bore_shapeSTRAIGHT
bore_diameter10.00 MILLIMETERS NOMINAL MM
overall_width1.110 INCHES NOMINAL1.110 INCHES NOMINAL IN
load_directionRADIAL
overall_height1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
overall_length2.595 INCHES NOMINAL2.595 INCHES NOMINAL IN
surface_finishGROUND
insert_materialPLASTIC PHENOLIC SINGLE MATING ENDPLASTIC PHENOLIC SINGLE MATING END
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
mating_end_quantity11
NSN3110-00-555-5225
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 20504-31 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LOAD DIRECTION: RADIAL
•
BORE DIAMETER: 10.00 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
•
RETAINER FABRICATION METHOD: PRESSED
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
BORE DIAMETER10.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER35.00 MILLIMETERS NOMINAL MM
OVERALL WIDTH11.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
300KInterchangeable
interchangeable cross-reference
interchangeable
1N1402Interchangeable
interchangeable cross-reference
interchangeable
013-3134-000Interchangeable
interchangeable cross-reference
interchangeable
412666Interchangeable
interchangeable cross-reference
interchangeable
22706Interchangeable
interchangeable cross-reference
interchangeable
6300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20504-31?
20504-31 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace 20504-31?
There are 27 known substitutes for 20504-31: 300K, 1N1402, 013-3134-000 and 24 more. Substitute compatibility should be verified for your specific system.
Is 20504-31 still available?
20504-31 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