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E1308B — BEARING,ROLLER,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

E1308B: BEARING,ROLLER,THRUST.

The BEARING,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 WASHER, alignment_type: RIGID, surface_finish: GROUND, retainer_fabrication_method: MACHINED, thrust_directional_capability_designation: SINGLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-277-0061, 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
E1308B
NSN: 3110-00-277-0061
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500 WASHER
alignment_typeRIGID
surface_finishGROUND
special_featuresRETAINER EXTENDS BEYOND RACES ON THE BORE AND OD AND 16.635 IN. MAX 16.615 IN. MIN OD OF RETAINER ALSO 11.3950 IN. MAX 11.3900 IN. MIN BORE DIA OF RETAINER IN
retainer_fabrication_methodMACHINED
thrust_directional_capability_designationSINGLE
NSN3110-00-277-0061
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: E1308B · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
SURFACE FINISH: GROUND
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
ALIGNMENT TYPE: RIGID
•
MATERIAL: NICKEL ALLOY K-500 ROLLER
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
ALIGNMENT TYPERIGID
SPECIAL FEATURESRETAINER EXTENDS BEYOND RACES ON THE BORE AND OD AND 16.635 IN. MAX 16.615 IN. MIN OD OF RETAINER ALSO 11.3950 IN. MAX 11.3900 IN. MIN BORE DIA OF RETAINER IN
MATERIALNICKEL ALLOY K-500 ROLLER
MATERIALNICKEL ALLOY K-500 WASHER
MATERIALNICKEL ALLOY R-405 RETAINER
SUBSTITUTES & CROSS-REFERENCES 1
2951-05ALT2PCB3T0E3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E1308B?
E1308B is a BEARING,ROLLER,THRUST.
What parts can replace E1308B?
There is 1 known substitute for E1308B: 2951-05ALT2PCB3T0E3. Substitute compatibility should be verified for your specific system.
What is the NSN for E1308B?
E1308B is cataloged in the U.S. Government catalog under NSN 3110-00-277-0061. 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.