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30309A — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

30309A: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cup_width: 22.0 MILLIMETERS NOMINAL MM, cone_width: 25.0 MILLIMETERS NOMINAL MM, bore_diameter: 45.0 MILLIMETERS NOMINAL MM, overall_width: 27.25 MILLIMETERS NOMINAL MM, alignment_type: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-270-1128, 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
30309A
NSN: 3110-01-270-1128
NIINs: 012701128, 012734616
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width22.0 MILLIMETERS NOMINAL MM
cone_width25.0 MILLIMETERS NOMINAL MM
bore_diameter45.0 MILLIMETERS NOMINAL MM
overall_width27.25 MILLIMETERS NOMINAL MM
alignment_typeRIGID
standout_width0.6 MILLIMETERS MINIMUM MM
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius2.0 MILLIMETERS MINIMUM MM
backface_corner_radius1.5 MILLIMETERS MINIMUM MM
overall_outside_diameter100.0 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
NSN3110-01-270-1128
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30309A · 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
SUBSTITUTES & CROSS-REFERENCES 4
6209Z/JEMReference document
Same NSN cross-reference
Reference document — Secondary reference
3002794Reference document
Same NSN cross-reference
Reference document — Secondary reference
3055082Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
364583Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30309A?
30309A is a BEARING,BALL,ANNULAR.
What parts can replace 30309A?
There are 4 known substitutes for 30309A: 6209Z/JEM, 3002794, 3055082 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30309A?
30309A is cataloged in the U.S. Government catalog under NSN 3110-01-270-1128. This indicates validated use in U.S. government and defense supply chains.
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