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BACB10C99AYT — BEARING,ROLLER,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BACB10C99AYT: BEARING,ROLLER,AIRFRAME.

The BEARING,ROLLER,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER RACE, bore_diameter: 0.8750 INCHES NOMINAL IN, inner_ring_width: 2.0000 INCHES NOMINAL IN, outer_ring_width: 1.5000 INCHES NOMINAL IN, style_designator: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING, bearing_seal_type: CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-397-5485, 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
BACB10C99AYT
NSN: 3110-01-397-5485
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER RACE
bore_diameter0.8750 INCHES NOMINAL IN
seal_quantity2
inner_ring_width2.0000 INCHES NOMINAL IN
outer_ring_width1.5000 INCHES NOMINAL IN
style_designatorCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
bearing_seal_typeCONTACT
overall_outside_diameter3.0000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
NSN3110-01-397-5485
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BACB10C99AYT · 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
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 1.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
•
OVERALL OUTSIDE DIAMETER: 3.0000 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE SEAL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH1.5000 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING
OVERALL OUTSIDE DIAMETER3.0000 INCHES NOMINAL IN
SEAL QUANTITY2
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MATERIALSTEEL COMP 4140 SLEEVE
MATERIALCOPPER ALLOY RETAINER
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
DAS14-48A1-502Reference document
Same NSN cross-reference
Reference document — Secondary reference
DAS14-48A-14Reference 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 BACB10C99AYT?
BACB10C99AYT is a BEARING,ROLLER,AIRFRAME.
What parts can replace BACB10C99AYT?
There are 2 known substitutes for BACB10C99AYT: DAS14-48A1-502, DAS14-48A-14. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB10C99AYT?
BACB10C99AYT is cataloged in the U.S. Government catalog under NSN 3110-01-397-5485. 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.