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NA 4905 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

NA 4905: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, overall_width: 17.00 MILLIMETERS NOMINAL MM, alignment_type: RIGID, style_designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND, bearing_seal_type: CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-405-9140, 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
NA 4905
NSN: 3110-00-405-9140
NIINs: 004059140, 015367286
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 27737 — INA BEARING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter25.00 MILLIMETERS NOMINAL MM
overall_width17.00 MILLIMETERS NOMINAL MM
seal_quantity1
alignment_typeRIGID
style_designatorSEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
bearing_seal_typeCONTACT
lubrication_materialLUBRICANT
end_item_identification1025014450991
overall_outside_diameter42.0 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-405-9140
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: NA 4905 · 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
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: LUBRICANT
•
STYLE DESIGNATOR: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
•
OVERALL OUTSIDE DIAMETER: 42.0 MILLIMETERS NOMINAL MM
•
ALIGNMENT TYPE: RIGID
•
SEAL QUANTITY: 1
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALLUBRICANT
STYLE DESIGNATORSEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND
OVERALL WIDTH17.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER42.0 MILLIMETERS NOMINAL MM
ALIGNMENT TYPERIGID
SEAL QUANTITY1
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OVERALL
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 NA 4905?
NA 4905 is a BEARING,ROLLER,NEEDLE.
What is the NSN for NA 4905?
NA 4905 is cataloged in the U.S. Government catalog under NSN 3110-00-405-9140. This indicates validated use in U.S. government and defense supply chains.
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