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SM4-6B — BEARING,ROLLER,ROD END

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SM4-6B: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 SHIELD, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2500 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, overall_length: 1.7800 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-043-2689, 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
SM4-6B
NSN: 3110-00-043-2689
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialSTEEL COMP 430 SHIELD
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2500 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length1.7800 INCHES NOMINAL IN
shank_diameter0.3750 INCHES NOMINAL IN
shield_quantity2
inner_ring_width0.4370 INCHES NOMINAL IN
outer_ring_width0.3500 INCHES NOMINAL IN
special_featuresWITH FLUSH TYPE GREASE FITTING
NSN3110-00-043-2689
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SM4-6B · 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
•
SHANK DIAMETER: 0.3750 INCHES NOMINAL IN
•
SHANK THREAD LENGTH: 0.7500 INCHES NOMINAL IN
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3750 INCHES NOMINAL IN
SHANK THREAD LENGTH0.7500 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER
SUBSTITUTES & CROSS-REFERENCES 1
RM4Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SM4-6B?
SM4-6B is a BEARING,ROLLER,ROD END.
What parts can replace SM4-6B?
There is 1 known substitute for SM4-6B: RM4. Substitute compatibility should be verified for your specific system.
What is the NSN for SM4-6B?
SM4-6B is cataloged in the U.S. Government catalog under NSN 3110-00-043-2689. This indicates validated use in U.S. government and defense supply chains.
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