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905203 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

905203: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include special_features: 106, BALL BEARING, end_item_identification: SPEED REDUCER;GEAR ASSY. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-4667, 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
905203
NSN: 3110-00-156-4667
NIINs: 001564667, 012079013, 012745864, 014870758
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
special_features106, BALL BEARING
end_item_identificationSPEED REDUCER;GEAR ASSY
NSN3110-00-156-4667
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 905203 · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
NONDEFINITIVE SPEC/STD DATA: 143 TYPE AND 00 GRADE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.6875 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER40.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
NONDEFINITIVE SPEC/STD DATA143 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONOUTWARD CONVERGENT
SUBSTITUTES & CROSS-REFERENCES 10
11091Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5203HReference document
Same NSN cross-reference
Reference document — Secondary reference
3212982Reference document
Same NSN cross-reference
Reference document — Secondary reference
72-6970-501Reference document
Same NSN cross-reference
Reference document — Secondary reference
57267Reference document
Same NSN cross-reference
Reference document — Secondary reference
12389AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 905203?
905203 is a BEARING,BALL,ANNULAR.
What parts can replace 905203?
There are 10 known substitutes for 905203: 11091, 5203H, 3212982 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 905203?
905203 is cataloged in the U.S. Government catalog under NSN 3110-00-156-4667. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.