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CAT NO. B10-2903 POS5513 — 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: 15.0 MILLIMETERS NOMINAL MM, overall_width: 11.00 MILLIMETERS NOMINAL MM, 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 3110-00-230-7122, 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
CAT NO. B10-2903 POS5513
NSN: 3110-00-230-7122
FSC: 3110
CAGE: 0EP66 — BUSINESS OFFICE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter15.0 MILLIMETERS NOMINAL MM
overall_width11.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialLUBRICANT
overall_outside_diameter35.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationLOOSE
retainer_fabrication_methodPRESSED
NSN3110-00-230-7122
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: CAT NO. B10-2903 POS5513 · 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
•
LUBRICATION MATERIAL: LUBRICANT
•
RETAINER FABRICATION METHOD: PRESSED
•
LOAD DIRECTION: RADIAL
•
SHIELD QUANTITY: 1
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: LOOSE
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALLUBRICANT
RETAINER FABRICATION METHODPRESSED
LOAD DIRECTIONRADIAL
SHIELD QUANTITY1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONLOOSE
BORE SHAPESTRAIGHT
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE DIAMETER15.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
790-011InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10121525InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5310PL0724748InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
300161InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
15BC02JPX30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NS-4029InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CAT NO. B10-2903 POS5513?
CAT NO. B10-2903 POS5513 is a BEARING,BALL,ANNULAR.
What parts can replace CAT NO. B10-2903 POS5513?
There are 14 known substitutes for CAT NO. B10-2903 POS5513: 790-011, 10121525, 5310PL0724748 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CAT NO. B10-2903 POS5513?
CAT NO. B10-2903 POS5513 is cataloged in the Federal Logistics Information System under NSN 3110-00-230-7122. 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: September 2026