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Technical Data Sheet
PartsTable / COMPONENT / 25816R91
25816R91 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 50.00 MILLIMETERS NOMINAL MM, overall_width: 1.1875 INCHES NOMINAL 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 3110-00-156-4886, 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
25816R91
NSN: 3110-00-156-4886
FSC: 3110
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter50.00 MILLIMETERS NOMINAL MM
overall_width1.1875 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
shield_quantity1
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter90.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
nondefinitive_spec/std_data145 TYPE AND 00 GRADE
retainer_fabrication_methodPRESSED
NSN3110-00-156-4886
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 25816R91 · 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
•
BORE DIAMETER: 50.00 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
•
MATERIAL: STEEL OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SHIELD QUANTITY
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 145 TYPE AND 00 GRADE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER50.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
LOAD DIRECTIONANGULAR
MATERIALSTEEL OVERALL
MATERIALSTEEL OVERALL
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SHIELD QUANTITY
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA145 TYPE AND 00 GRADE
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY SHIELD QUANTITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
8B8296Interchangeable
interchangeable cross-reference
interchangeable
5210FInterchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
29A5210DInterchangeable
interchangeable cross-reference
interchangeable
5210DInterchangeable
interchangeable cross-reference
interchangeable
223233-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25816R91?
25816R91 is a BEARING,BALL,ANNULAR.
What parts can replace 25816R91?
There are 8 known substitutes for 25816R91: 8B8296, 5210F, FFB171 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25816R91?
25816R91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4886. 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