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Technical Data Sheet
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9940-505 — Technical Data Sheet

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— · 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, overall_width: 0.8125 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3110-00-771-0525, 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
9940-505
NSN: 3110-00-771-0525
FSC: 3110
CAGE: 58037 — ELLIOTT B W MFG CO LLC FLEX SHAFT AND VALVE CONTROL PRODUCT LINES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width0.8125 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
shield_quantity2
style_designatorLOADING GROOVE, NON-SEPARABLE
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-771-0525
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 9940-505 · 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
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: ANGULAR
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: OUTWARD CONVERGENT
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
SHIELD QUANTITY2
LOAD DIRECTIONANGULAR
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
OVERALL WIDTH0.8125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
10458723InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
69-55718-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3112484InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
714451InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
99401InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
455505InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9940-505?
9940-505 is a BEARING,BALL,ANNULAR.
What parts can replace 9940-505?
There are 6 known substitutes for 9940-505: 10458723, 69-55718-1, 3112484 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9940-505?
9940-505 is cataloged in the Federal Logistics Information System under NSN 3110-00-771-0525. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026