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Technical Data Sheet
PartsTable / COMPONENT / T57901
T57901 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_width: 3.156 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_height: 2.812 INCHES NOMINAL IN, body_length: 3.843 INCHES NOMINAL IN, flange_width: 0.0450 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-406-5311, 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
T57901
NSN: 3110-00-406-5311
FSC: 3110
CAGE: 06275 — ALLEN R C INSTRUMENTS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_width3.156 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height2.812 INCHES NOMINAL IN
body_length3.843 INCHES NOMINAL IN
flange_width0.0450 INCHES NOMINAL IN
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.1875 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
load_directionRADIAL
surface_finishGROUND
mounting_methodTHREADED HOLE(S) SINGLE GROUP
NSN3110-00-406-5311
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T57901 · 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
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
•
OUTER RING OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SURFACE FINISH: GROUND
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.5
•
BORE SHAPE: STRAIGHT
•
FLANGE WIDTH: 0.0450 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.5470 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN
OUTER RING OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE SHAPESTRAIGHT
FLANGE WIDTH0.0450 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.5470 INCHES NOMINAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-81087 MIL SPEC SINGLE MATERIAL RESPONSE
SHIELD QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
RYG9175619Interchangeable
interchangeable cross-reference
interchangeable
T57901Interchangeable
interchangeable cross-reference
interchangeable
41220Interchangeable
interchangeable cross-reference
interchangeable
SFR188SSW3-0-19Interchangeable
Same NIIN cross-reference
interchangeable
M81793/07-JD1C2N1J1Interchangeable
Same NIIN cross-reference
interchangeable
S814FRHH5P24LY28Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T57901?
T57901 is a BEARING,BALL,ANNULAR.
What parts can replace T57901?
There are 7 known substitutes for T57901: RYG9175619, T57901, 41220 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T57901?
T57901 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-406-5311. 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