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Technical Data Sheet
PartsTable / COMPONENT / 12517PC4
12517PC4 ✓ 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 PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL UNS K02600 OVERALL, outside_diameter: 5.000 INCHES NOMINAL IN, special_features: 2.875 DIA CLOSED END HOLE ON CENTERLINE, style_designator: ROUND, overall_thickness: 0.380 INCHES NOMINAL IN, mounting_hole_type: ROUND, UNTHREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-486-2522, 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
12517PC4
NSN: 3110-00-486-2522
FSC: 3110
CAGE: 25511 — NORTHERN LINE MACHINE DIV OF COMMENCEMENT INTL CORP (USA)
SPECIFICATIONS
materialSTEEL UNS K02600 OVERALL
outside_diameter5.000 INCHES NOMINAL IN
special_features2.875 DIA CLOSED END HOLE ON CENTERLINE
style_designatorROUND
overall_thickness0.380 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.406 INCHES NOMINAL IN
bolt_circle_hole_quantity6
mounting_bolt_circle_diameter4.250 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-00-486-2522
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12517PC4 · 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
•
MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
•
MATERIAL: STEEL UNS K02600 OVERALL
•
STYLE DESIGNATOR: ROUND
•
OVERALL THICKNESS: 0.380 INCHES NOMINAL IN
•
MOUNTING BOLT CIRCLE DIAMETER: 4.250 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
MATERIALSTEEL UNS K02600 OVERALL
STYLE DESIGNATORROUND
OVERALL THICKNESS0.380 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER4.250 INCHES NOMINAL IN
SPECIAL FEATURES2.875 DIA CLOSED END HOLE ON CENTERLINE
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
MOUNTING HOLE TYPEROUND, UNTHREADED
BOLT CIRCLE HOLE QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MIL-DTL-11040Interchangeable
interchangeable cross-reference
interchangeable
243604R11Interchangeable
interchangeable cross-reference
interchangeable
MS51067-53-2Interchangeable
interchangeable cross-reference
interchangeable
22534-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12517PC4?
12517PC4 is a PLATE,RETAINING,BEARING.
What parts can replace 12517PC4?
There are 4 known substitutes for 12517PC4: MIL-DTL-11040, 243604R11, MS51067-53-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12517PC4?
12517PC4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-486-2522. 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: July 2026