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Technical Data Sheet
PartsTable / COMPONENT / 8903-16
8903-16 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 10.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, nominal_width: 12.0 MILLIMETERS MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7489, 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
8903-16
NSN: 3110-00-156-7489
FSC: 3110
CAGE: 03848 — ARMA DIV AMBAC INDUSTRIES INC
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter10.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
nominal_width12.0 MILLIMETERS MM
overall_width9.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
nominal_length5.4 METERS
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
adhesive_locationONE SIDE
NSN3110-00-156-7489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 8903-16 · 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
•
OVERALL OUTSIDE DIAMETER: 30.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
BORE DIAMETER: 10.00 MILLIMETERS NOMINAL MM
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER30.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
BORE DIAMETER10.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
LOAD DIRECTIONANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
ASTM D 5330/D 5330MInterchangeable
interchangeable cross-reference
interchangeable
A-A-1685Interchangeable
interchangeable cross-reference
interchangeable
890 3/16Interchangeable
interchangeable cross-reference
interchangeable
MAX1232CPAInterchangeable
interchangeable cross-reference
interchangeable
I14-0017-002Interchangeable
interchangeable cross-reference
interchangeable
7200Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8903-16?
8903-16 is a MICROCIRCUIT,DIGITAL.
What parts can replace 8903-16?
There are 7 known substitutes for 8903-16: ASTM D 5330/D 5330M, A-A-1685, 890 3/16 and 4 more. Substitute compatibility should be verified for your specific system.
Is 8903-16 still available?
8903-16 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