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38557 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
Cellularline · MRO · MRO_GENERAL
PRODUCT OVERVIEW

38557: BEARING,ROLLER,NEEDLE.

Impact Glass Curved is an ultra-thin sheet of real tempered glass that's strong (with 9H hardness) and has curved, thermoformed bumpers that complement the look of your phone perfectly and provide its display with maximum protection. This part is cataloged in the U.S. Government catalog under NSN 3110-00-277-0546, 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
MRO→ MRO_GENERAL→ 38557
NSN: 3110-00-277-0546
NIINs: 002770546, 007342723, 008227806, 010935492, 012494814
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 54123 — COLSON CORP THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.200 INCHES MAXIMUM IN
body_height0.700 INCHES MAXIMUM IN
body_length1.200 INCHES MAXIMUM IN
current_typeDC
bore_diameter1.1250 INCHES NOMINAL IN
overall_width1.0000 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
terminal_typeSTUD
alignment_typeRIGID
inclosure_typeFULLY INCLOSED
overall_length54.750 INCHES NOMINAL IN
NSN3110-00-277-0546
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 38557 · Cellularline ⚠ 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
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LUBRICATION MATERIAL: GREASE
•
STYLE DESIGNATOR: NON-SEPARABLE, CLOSED END, DRAWN SHELL
•
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
BORE DIAMETER: 1.1250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
STYLE DESIGNATORNON-SEPARABLE, CLOSED END, DRAWN SHELL
OVERALL WIDTH1.0000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESCLOSED END,EXTRA CAPACITY OUTER RACE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER1.1250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 38557?
38557 is a BEARING,ROLLER,NEEDLE manufactured by Cellularline. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 38557?
38557 is cataloged in the U.S. Government catalog under NSN 3110-00-277-0546. 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.