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50-280-0277-4 — BEARING,HIGH SPEED SHAFT

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

50-280-0277-4: BEARING,HIGH SPEED SHAFT.

The BEARING,HIGH SPEED SHAFT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL SHELL,ID BABBITTED,MATCHED HALVES,4.007IN. ID X 4.875 IN.

OD X 4.500 IN. LG IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-583-0294, 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
50-280-0277-4
NSN: 3110-00-583-0294
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 17454 — TIMKEN GEARS & SERVICES INC. DIV PHILADELPHIA GEAR (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL SHELL,ID BABBITTED,MATCHED HALVES,4.007IN. ID X 4.875 IN. OD X 4.500 IN. LG IN
NSN3110-00-583-0294
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 50-280-0277-4 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL SHELL,ID BABBITTED,MATCHED HALVES,4.007IN. ID X 4.875 IN. OD X 4.500 IN. LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL SHELL,ID BABBITTED,MATCHED HALVES,4.007IN. ID X 4.875 IN. OD X 4.500 IN. LG 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 1
01-051-0202-4PC15Same 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 50-280-0277-4?
50-280-0277-4 is a BEARING,HIGH SPEED SHAFT.
What parts can replace 50-280-0277-4?
There is 1 known substitute for 50-280-0277-4: 01-051-0202-4PC15. Substitute compatibility should be verified for your specific system.
What is the NSN for 50-280-0277-4?
50-280-0277-4 is cataloged in the U.S. Government catalog under NSN 3110-00-583-0294. 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.