PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 278-17
278-17 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include shape: TRIANGULAR, height: 0.150 INCHES NOMINAL IN, diameter: 0.431 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN, material: PLASTIC HANDLE, tip_type: TORX, cone_width: 1.4375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-3632, 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
278-17
NSN: 3110-00-100-3632
FSC: 3110
CAGE: 52304 — DANA COMMERCIAL VEHICLE PRODUCTS, LLC (USA)
SPECIFICATIONS
shapeTRIANGULAR
height0.150 INCHES NOMINAL IN
diameter0.431 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
materialPLASTIC HANDLE
tip_typeTORX
cone_width1.4375 INCHES NOMINAL IN
head_stylePAN
body_length0.375 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
blade_length1.578 INCHES NOMINAL IN
bore_diameter4.2500 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
NSN3110-00-100-3632
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 278-17 · 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
•
BORE DIAMETER: 4.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
CONE WIDTH: 1.4375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER4.2500 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
CONE WIDTH1.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
339A176Interchangeable
interchangeable cross-reference
interchangeable
17119-17244BInterchangeable
interchangeable cross-reference
interchangeable
FFB187/02-019Interchangeable
interchangeable cross-reference
interchangeable
BT772BInterchangeable
interchangeable cross-reference
interchangeable
772BInterchangeable
interchangeable cross-reference
interchangeable
42880Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 278-17?
278-17 is a COIL,RADIO FREQUENCY.
What parts can replace 278-17?
There are 35 known substitutes for 278-17: 339A176, 17119-17244B, FFB187/02-019 and 32 more. Substitute compatibility should be verified for your specific system.
Is 278-17 still available?
278-17 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026