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PartsTable / COMPONENT / T89A166
T89A166 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5140 OVERALL, overall_length: 0.7200 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN, style_designator: NEEDLE ROLLER, SPHERICAL ENDS, rolling_element_diameter: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2804, 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
T89A166
NSN: 3110-00-198-2804
FSC: 3110
CAGE: 66155 — PORTA DRILL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 5140 OVERALL
overall_length0.7200 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
style_designatorNEEDLE ROLLER, SPHERICAL ENDS
rolling_element_diameter0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
NSN3110-00-198-2804
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T89A166 · 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
•
ROLLING ELEMENT DIAMETER: 0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 5140 OVERALL
•
STYLE DESIGNATOR: NEEDLE ROLLER, SPHERICAL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.7200 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
ROLLING ELEMENT DIAMETER0.1580 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM IN
MATERIALSTEEL COMP 5140 OVERALL
STYLE DESIGNATORNEEDLE ROLLER, SPHERICAL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
25954-1-42Interchangeable
interchangeable cross-reference
interchangeable
418-3Interchangeable
interchangeable cross-reference
interchangeable
2A219TVIT750HMT25T25T25Interchangeable
interchangeable cross-reference
interchangeable
710Interchangeable
interchangeable cross-reference
interchangeable
1611-1/2Interchangeable
interchangeable cross-reference
interchangeable
111-1/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T89A166?
T89A166 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace T89A166?
There are 15 known substitutes for T89A166: 25954-1-42, 418-3, 2A219TVIT750HMT25T25T25 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T89A166?
T89A166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-198-2804. 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