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B542-E — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B542-E: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: CHROMIUM ALLOY AND STEEL OVERALL, bore_diameter: 1.3125 INCHES NOMINAL IN, inner_ring_width: 0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, special_features: EXTRA-LIGHT DUTY; LUBRICATED BY A PRESERVATIVE, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-528-4473, 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
B542-E
NSN: 3110-01-528-4473
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialCHROMIUM ALLOY AND STEEL OVERALL
bore_diameter1.3125 INCHES NOMINAL IN
inner_ring_width0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
special_featuresEXTRA-LIGHT DUTY; LUBRICATED BY A PRESERVATIVE
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter1.7500 INCHES NOMINAL IN
NSN3110-01-528-4473
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B542-E · 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
•
STYLE DESIGNATOR: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
BORE DIAMETER: 1.3125 INCHES NOMINAL IN
•
MATERIAL: CHROMIUM ALLOY AND STEEL OVERALL
•
INNER RING WIDTH: 0.2810 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
SPECIAL FEATURESEXTRA-LIGHT DUTY; LUBRICATED BY A PRESERVATIVE
BORE DIAMETER1.3125 INCHES NOMINAL IN
MATERIALCHROMIUM ALLOY AND STEEL OVERALL
INNER RING WIDTH0.2810 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B542-E?
B542-E is a BEARING,BALL,AIRFRAME.
What is the NSN for B542-E?
B542-E is cataloged in the U.S. Government catalog under NSN 3110-01-528-4473. 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.