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49491 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL, shank_type: UNIVERSAL, usage_design: FOR JIG SAW; FOR CUTTING METALS, PLASTICS AND FIBERGLASS, overall_length: 2.500 INCHES MINIMUM IN, nominal_shank_size: 0.250 INCHES IN, cut_type_for_which_designed: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-708-4284, 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
49491
NSN: 3120-00-708-4284
FSC: 3120
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL
shank_typeUNIVERSAL
usage_designFOR JIG SAW; FOR CUTTING METALS, PLASTICS AND FIBERGLASS
overall_length2.500 INCHES MINIMUM IN
nominal_shank_size0.250 INCHES IN
cut_type_for_which_designedSTRAIGHT
material_type_for_which_designedMETAL AND PLASTIC
teeth_quantity_per_unit_of_measure32 PER INCH
NSN3120-00-708-4284
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 49491 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 8 HOLE
•
HOLE DIAMETER: 0.1570 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM FIRST IN
TECHNICAL CHARACTERISTICS (FLIS)
ANTIROTATION/LUBRICATION TYPE AND QUANTITY8 HOLE
HOLE DIAMETER0.1570 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM FIRST IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
DW3728-5Interchangeable
interchangeable cross-reference
interchangeable
5130-00-967-9707Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49491?
49491 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 49491?
There are 2 known substitutes for 49491: DW3728-5, 5130-00-967-9707. Substitute compatibility should be verified for your specific system.
What is the NSN for 49491?
49491 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-708-4284. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026