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B128PS — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B128PS: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-381-0289, 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
B128PS
NSN: 3110-01-381-0289
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
surface_treatmentCADMIUM OVERALL
lubrication_materialGREASE
overall_outside_diameter0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
NSN3110-01-381-0289
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B128PS · 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
•
LUBRICATION MATERIAL: GREASE
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
OVERALL WIDTH0.4900 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.9995 INCHES MINIMUM AND 1.0005 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
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 B128PS?
B128PS is a BEARING,ROLLER,NEEDLE.
What is the NSN for B128PS?
B128PS is cataloged in the U.S. Government catalog under NSN 3110-01-381-0289. 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.