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GB-55-NS — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

GB-55-NS: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OUTER RACE, bore_diameter: 0.3125 INCHES NOMINAL IN, overall_width: 0.3125 INCHES NOMINAL IN, alignment_type: RIGID, special_features: ENDS NICKEL SURFACE, style_designator: NON-SEPARABLE, OPEN END, DRAWN SHELL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-059-7573, 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
GB-55-NS
NSN: 3110-01-059-7573
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OUTER RACE
bore_diameter0.3125 INCHES NOMINAL IN
overall_width0.3125 INCHES NOMINAL IN
alignment_typeRIGID
special_featuresENDS NICKEL SURFACE
style_designatorNON-SEPARABLE, OPEN END, DRAWN SHELL
surface_treatmentNICKEL ROLLER
overall_outside_diameter0.5000 INCHES NOMINAL IN
NSN3110-01-059-7573
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: GB-55-NS · 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
•
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 0.5000 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SURFACE TREATMENT: NICKEL ROLLER
•
BORE DIAMETER: 0.3125 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING ROLLER
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
OVERALL WIDTH0.3125 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESENDS NICKEL SURFACE
SURFACE TREATMENTNICKEL ROLLER
BORE DIAMETER0.3125 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING ROLLER
MATERIALSTEEL COMP 5140 OUTER RACE
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 GB-55-NS?
GB-55-NS is a BEARING,ROLLER,NEEDLE.
What is the NSN for GB-55-NS?
GB-55-NS is cataloged in the U.S. Government catalog under NSN 3110-01-059-7573. 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.