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B546ZZ — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B546ZZ: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_diameter: 2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-182-8142, 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
B546ZZ
NSN: 3110-00-182-8142
NIINs: 001828142, 006215240
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_diameter2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
overall_outside_diameter2.8735 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
lubrication_material_document_and_classificationMIL-G-7711 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-182-8142
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B546ZZ · 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: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 2.8600 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM EXPOSED SURFACES AS MOUNTED
•
BORE DIAMETER: 2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 OVERALL
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER2.8600 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
BORE DIAMETER2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
INNER RING WIDTH0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
B546DDSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6157P60Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 B546ZZ?
B546ZZ is a BEARING,BALL,AIRFRAME.
What parts can replace B546ZZ?
There are 2 known substitutes for B546ZZ: B546DD, 6157P60. Substitute compatibility should be verified for your specific system.
What is the NSN for B546ZZ?
B546ZZ is cataloged in the U.S. Government catalog under NSN 3110-00-182-8142. 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.