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SM4-6S-42 — BEARING,ROLLER,ROD END

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

SM4-6S-42: BEARING,ROLLER,ROD END.

The BEARING,ROLLER,ROD END is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAL, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 2.3340 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-133-6489, 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
SM4-6S-42
NSN: 3110-00-133-6489
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length2.3340 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN
shank_diameter0.3678 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
inner_ring_width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
outer_ring_width0.3490 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM IN
special_featuresLUBRICATED 40 TO 50 PERCENT FULL
style_designatorSINGLE ROW, CONCAVE ROLLERS
NSN3110-00-133-6489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SM4-6S-42 · 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: 0.3678 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
SHANK THREAD LENGTH: 1.0940 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3490 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE ROLLER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3678 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
SHANK THREAD LENGTH1.0940 INCHES MINIMUM AND 1.1560 INCHES MAXIMUM IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3490 INCHES MINIMUM AND 0.3690 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE ROD END BODY
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL
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 2
SM4-6SMIL-G-81322 40 % FILLReference document
Same NSN cross-reference
Reference document — Secondary reference
RR4M6-2A1172Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SM4-6S-42?
SM4-6S-42 is a BEARING,ROLLER,ROD END.
What parts can replace SM4-6S-42?
There are 2 known substitutes for SM4-6S-42: SM4-6SMIL-G-81322 40 % FILL, RR4M6-2A1172. Substitute compatibility should be verified for your specific system.
What is the NSN for SM4-6S-42?
SM4-6S-42 is cataloged in the U.S. Government catalog under NSN 3110-00-133-6489. 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.