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4M340-125 — CAM FOLLOWER,NEEDLE BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

4M340-125: CAM FOLLOWER,NEEDLE BEARING.

The CAM FOLLOWER,NEEDLE BEARING is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OR PLASTIC POLYAMIDE NYLON SEAL, stud_length: 1.2500 INCHES NOMINAL IN, thread_class: 2A A, stud_diameter: 0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN, thread_length: 0.6250 INCHES NOMINAL IN, overall_length: 2.0310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-286-6145, 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
4M340-125
NSN: 3110-01-286-6145
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OR PLASTIC POLYAMIDE NYLON SEAL
stud_length1.2500 INCHES NOMINAL IN
thread_class2A A
seal_quantity2
stud_diameter0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
thread_length0.6250 INCHES NOMINAL IN
overall_length2.0310 INCHES NOMINAL IN
outer_ring_width0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
special_features80 PCT FULL OF SPECIFIED LUBE; PLUG TO BE SUPPLIED TO CLOSE OFF UNUSED LUBE HOLE IN END OF SHANK; CROWNED OD
style_designatorCAM FOLLOWER
thread_directionRIGHT-HAND
bearing_seal_typeCONTACT
NSN3110-01-286-6145
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4M340-125 · 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: GREASE
•
OUTER RING WIDTH: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
•
THREAD LENGTH: 0.6250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAM FOLLOWER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE ROLLER
THREAD LENGTH0.6250 INCHES NOMINAL IN
STYLE DESIGNATORCAM FOLLOWER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE STUD
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4M340-125?
4M340-125 is a CAM FOLLOWER,NEEDLE BEARING.
What is the NSN for 4M340-125?
4M340-125 is cataloged in the U.S. Government catalog under NSN 3110-01-286-6145. This indicates validated use in U.S. government and defense supply chains.
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