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B303-882 AC — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B303-882 AC: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND, retainer_fabrication_method: PRESSED, standard_tolerance_designation: ABEC NO.9. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-031-8533, 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
B303-882 AC
NSN: 3110-01-031-8533
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.9
lubrication_material_document_and_classificationAS-2985,FSCM 30003 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-01-031-8533
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B303-882 AC · 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
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.9
•
BORE DIAMETER: 0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: AS-2985,FSCM 30003 MFR REF SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.9
BORE DIAMETER0.2498 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
MATERIALGREASE LUBRICATION
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONAS-2985,FSCM 30003 MFR REF SINGLE MATERIAL RESPONSE
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 2
2192628-3 A-CReference document
Same NSN cross-reference
Reference document — Secondary reference
4117JACReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B303-882 AC?
B303-882 AC is a BEARING,BALL,DUPLEX.
What parts can replace B303-882 AC?
There are 2 known substitutes for B303-882 AC: 2192628-3 A-C, 4117JAC. Substitute compatibility should be verified for your specific system.
What is the NSN for B303-882 AC?
B303-882 AC is cataloged in the U.S. Government catalog under NSN 3110-01-031-8533. This indicates validated use in U.S. government and defense supply chains.
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