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821293-1 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

821293-1: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, bore_diameter: 0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN, inner_ring_width: 0.1546 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN, outer_ring_width: 0.1234 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, special_features: COLLOQUIAL - BEARING, BALL, ANNULAR; NEXT ASSY 814201; SOURCE CONTROL, style_designator: SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-470-3265, 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
821293-1
NSN: 3110-01-470-3265
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_diameter0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
shield_quantity2
inner_ring_width0.1546 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
outer_ring_width0.1234 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
special_featuresCOLLOQUIAL - BEARING, BALL, ANNULAR; NEXT ASSY 814201; SOURCE CONTROL
style_designatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
end_item_identificationF18 E/F
overall_outside_diameter0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
material_document_and_classificationAISI440C ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyBEARING, BALL
NSN3110-01-470-3265
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 821293-1 · 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
•
OUTER RING WIDTH: 0.1234 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI440C ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL OUTSIDE DIAMETER: 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.1234 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATIONAISI440C ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL OUTSIDE DIAMETER0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
SPECIAL FEATURESCOLLOQUIAL - BEARING, BALL, ANNULAR; NEXT ASSY 814201; SOURCE CONTROL
PART NAME ASSIGNED BY CONTROLLING AGENCYBEARING, BALL
END ITEM IDENTIFICATIONF18 E/F
BORE DIAMETER0.1873 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C OVERALL
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 1
S6632HHE7P58LY323Reference 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 821293-1?
821293-1 is a BEARING,BALL,AIRFRAME.
What parts can replace 821293-1?
There is 1 known substitute for 821293-1: S6632HHE7P58LY323. Substitute compatibility should be verified for your specific system.
What is the NSN for 821293-1?
821293-1 is cataloged in the U.S. Government catalog under NSN 3110-01-470-3265. This indicates validated use in U.S. government and defense supply chains.
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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.