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Technical Data Sheet
PartsTable / COMPONENT / P681-000
P681-000 ✓ 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 BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, bore_diameter: 2.5620 INCHES MINIMUM AND 2.5625 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, outer_ring_width: 0.2970 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-8561, 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
P681-000
NSN: 3110-00-042-8561
FSC: 3110
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_diameter2.5620 INCHES MINIMUM AND 2.5625 INCHES MAXIMUM IN
load_directionRADIAL
inner_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
outer_ring_width0.2970 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
special_featuresSPLIT OUTER RING WITH TWO STAINLESS STEEL RETAINING RINGS,WITH POLYTETRAFLUOROETHYLENE SPACER SLUGS OR MACHINED NONMETALLIC RETAINER
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter3.2495 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
NSN3110-00-042-8561
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: P681-000 · 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
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
MATERIAL: STEEL OUTER RING
•
OUTER RING WIDTH: 0.2970 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
•
BORE DIAMETER: 2.5620 INCHES MINIMUM AND 2.5625 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 3.2495 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSPLIT OUTER RING WITH TWO STAINLESS STEEL RETAINING RINGS,WITH POLYTETRAFLUOROETHYLENE SPACER SLUGS OR MACHINED NONMETALLIC RETAINER
LOAD DIRECTIONRADIAL
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
MATERIALSTEEL OUTER RING
OUTER RING WIDTH0.2970 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
BORE DIAMETER2.5620 INCHES MINIMUM AND 2.5625 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER3.2495 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM IN
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEPARATOR SLUG
MATERIALSTEEL INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
D15-518MPC410Interchangeable
interchangeable cross-reference
interchangeable
D15-518WPC410Interchangeable
interchangeable cross-reference
interchangeable
9443Interchangeable
interchangeable cross-reference
interchangeable
944SInterchangeable
interchangeable cross-reference
interchangeable
1N2859Interchangeable
interchangeable cross-reference
interchangeable
1N2860Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P681-000?
P681-000 is a BEARING,BALL,AIRFRAME.
What parts can replace P681-000?
There are 14 known substitutes for P681-000: D15-518MPC410, D15-518WPC410, 9443 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P681-000?
P681-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-8561. 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