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B540DDFS160 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B540DDFS160: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_diameter: 0.8750 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-018-7451, 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
B540DDFS160
NSN: 3110-00-018-7451
NIINs: 000187451, 009974750
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 3NPS1 — RBC AIRCRAFT PRODUCTS, INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_diameter0.8750 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.3125 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
material_document_and_classificationFED-STD-66,AISI/SAE E51100 FED STD SINGLE MATERIAL RESPONSE BALL
NSN3110-00-018-7451
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B540DDFS160 · 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: 0.2500 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 1.3125 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER1.3125 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 7
6157P54-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B540DDReference document
Same NSN cross-reference
Reference document — Secondary reference
180613-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C094600-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
5B540DDReference document
Same NSN cross-reference
Reference document — Secondary reference
1565660-4Reference 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 B540DDFS160?
B540DDFS160 is a BEARING,BALL,AIRFRAME.
What parts can replace B540DDFS160?
There are 7 known substitutes for B540DDFS160: 6157P54-12, B540DD, 180613-7 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B540DDFS160?
B540DDFS160 is cataloged in the U.S. Government catalog under NSN 3110-00-018-7451. 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.