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Technical Data Sheet
PartsTable / COMPONENT / 308AZ
308AZ ✓ 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: 40.00 MILLIMETERS NOMINAL MM, overall_width: 23.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-5966, 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
308AZ
NSN: 3110-00-554-5966
FSC: 3110
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter40.00 MILLIMETERS NOMINAL MM
overall_width23.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter90.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 5
NSN3110-00-554-5966
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 308AZ · 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
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 5
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 90.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 5
LOAD DIRECTIONRADIAL
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
BORE DIAMETER40.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER90.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
RETAINER FABRICATION METHODPRESSED
SHIELD QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
M6308GInterchangeable
interchangeable cross-reference
interchangeable
53529Interchangeable
interchangeable cross-reference
interchangeable
5155Interchangeable
IBM 575 Watt Power Supply
interchangeable
21711Interchangeable
interchangeable cross-reference
interchangeable
M177Interchangeable
interchangeable cross-reference
interchangeable
7-44-066Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 308AZ?
308AZ is a BEARING,BALL,ANNULAR.
What parts can replace 308AZ?
There are 33 known substitutes for 308AZ: M6308G, 53529, 5155 and 30 more. Substitute compatibility should be verified for your specific system.
Is 308AZ still available?
308AZ is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026