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Technical Data Sheet
PartsTable / COMPONENT / 10107551
10107551 ✓ 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,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OUTER RING, bore_diameter: 3.0622 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN, contact_angle: 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM, overall_width: 0.6040 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM 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 (FLIS) under NSN 3110-01-191-3230, 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
10107551
NSN: 3110-01-191-3230
FSC: 3110
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 440C OUTER RING
bore_diameter3.0622 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN
contact_angle15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM
overall_width0.6040 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
shield_quantity2
special_featuresVACUUM IMPREGNATE RETAINER WITH SPECIFIED OIL,CENTRIFUGE FOR 2 MINUTES AT 100 G AFTER VACUUM; INSCRIBE MATCH MARK ON OD OF EACH BEARING; ONE SHIELD EACH BEARING G
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
bearing_preload_rating90.0 POUNDS MINIMUM AND 110.0 POUNDS MAXIMUM LBS
overall_outside_diameter3.8746 INCHES MINIMUM AND 3.8750 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-01-191-3230
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 10107551 · 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
•
MATERIAL: STEEL COMP 440C OUTER RING
•
BORE DIAMETER: 3.0622 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN
•
SURFACE FINISH: GROUND
•
SPECIFICATION/STANDARD DATA: 82577-901861 MANUFACTURERS STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 440C OUTER RING
BORE DIAMETER3.0622 INCHES MINIMUM AND 3.0625 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING SHIELD
SURFACE FINISHGROUND
MATERIALSTEEL COMP 440C INNER RING
MATERIALOIL LUBRICATION
SPECIFICATION/STANDARD DATA82577-901861 MANUFACTURERS STANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
BEARING PRELOAD RATING90.0 POUNDS MINIMUM AND 110.0 POUNDS MAXIMUM LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
T543Interchangeable
interchangeable cross-reference
interchangeable
MS9388-120Interchangeable
interchangeable cross-reference
interchangeable
13527201Interchangeable
Same NIIN cross-reference
interchangeable
901861-2CInterchangeable
Same NIIN cross-reference
interchangeable
3TKRD49-62-A66Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10107551?
10107551 is a BEARING,BALL,DUPLEX.
What parts can replace 10107551?
There are 5 known substitutes for 10107551: T543, MS9388-120, 13527201 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10107551?
10107551 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-191-3230. 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