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3670K5 — BEARING,ROLLER,NEEDLE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3670K5: BEARING,ROLLER,NEEDLE.

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 1.0625 INCHES NOMINAL IN, outer_ring_width: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-673-1772, 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
3670K5
NSN: 3110-01-673-1772
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.7500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width1.0625 INCHES NOMINAL IN
outer_ring_width1.0000 INCHES NOMINAL IN
special_featuresDOUBLE ROW YOKE ROLLERS.
style_designatorTRACK ROLLER
end_item_identification4940-01-658-0431;TEST STATION ELECTRICAL-ELECTRONIC EQUIP
overall_outside_diameter1.7500 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyLONG LIFE YOKE ROLLER
NSN3110-01-673-1772
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3670K5 · 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
•
OUTER RING WIDTH: 1.0000 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: TRACK ROLLER
•
OVERALL OUTSIDE DIAMETER: 1.7500 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
OUTER RING WIDTH1.0000 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORTRACK ROLLER
OVERALL OUTSIDE DIAMETER1.7500 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESDOUBLE ROW YOKE ROLLERS.
PART NAME ASSIGNED BY CONTROLLING AGENCYLONG LIFE YOKE ROLLER
END ITEM IDENTIFICATION4940-01-658-0431;TEST STATION ELECTRICAL-ELECTRONIC EQUIP
BORE DIAMETER1.7500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
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 1
RBY1 3/4Same 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 3670K5?
3670K5 is a BEARING,ROLLER,NEEDLE.
What parts can replace 3670K5?
There is 1 known substitute for 3670K5: RBY1 3/4. Substitute compatibility should be verified for your specific system.
What is the NSN for 3670K5?
3670K5 is cataloged in the U.S. Government catalog under NSN 3110-01-673-1772. 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.