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Technical Data Sheet
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494613 — 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: COPPER ALLOY RETAINER, bore_shape: STRAIGHT, bore_diameter: 2.6870 INCHES MINIMUM AND 2.6875 INCHES MAXIMUM IN, overall_width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, load_direction: RADIAL, 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 3110-00-157-0397, 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
494613
NSN: 3110-00-157-0397
FSC: 3110
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY RETAINER
bore_shapeSTRAIGHT
bore_diameter2.6870 INCHES MINIMUM AND 2.6875 INCHES MAXIMUM IN
overall_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
special_featuresCORNER RADII 0.0300 IN. IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0060 INCHES MINIMUM AXIAL AND 0.0080 INCHES MAXIMUM AXIAL IN
overall_outside_diameter3.8745 INCHES MINIMUM AND 3.8750 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-157-0397
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 494613 · 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 SHAPE: STRAIGHT
•
BORE DIAMETER: 2.6870 INCHES MINIMUM AND 2.6875 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: COPPER ALLOY RETAINER
TECHNICAL CHARACTERISTICS
BORE SHAPESTRAIGHT
BORE DIAMETER2.6870 INCHES MINIMUM AND 2.6875 INCHES MAXIMUM IN
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL INNER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
INTERNAL CLEARANCE0.0060 INCHES MINIMUM AXIAL AND 0.0080 INCHES MAXIMUM AXIAL IN
SPECIAL FEATURESCORNER RADII 0.0300 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
239364BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P1-07InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
28B821728InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
300-107InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
125815InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F12536InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 494613?
494613 is a BEARING,BALL,ANNULAR.
What parts can replace 494613?
There are 9 known substitutes for 494613: 239364B, P1-07, 28B821728 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 494613?
494613 is cataloged in the Federal Logistics Information System under NSN 3110-00-157-0397. 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