PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 21707
21707 ✓ Verified by PartsTable
Trust · 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

- Universal on-ear headphone: works with all PCs and laptops, as well as DJ-gear, phones & tablets<br>- Comfortable, noise-isolating soft ear cushions<br>- One-sided cable, adjustable headband, lightweight design<br>- Powerful sound, trendy styling<br>- 1.2m cable with microphone and universal remote control button, for use with laptop and phone/tablet<br>- 1m extension cable included, for use with PC<br>- 6.35mm adapter plug included, for use with DJ gear<br>- 105 dB sensitivity, 50mm drivers, 20-20.000 Hz frequency range, closed-back design This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-779-6414, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
21707
NSN: 3110-00-779-6414
FSC: 3110
CAGE: 86090 — EATON CORPORATION DBA AIRFRAME DIV FUEL & MOTION CONTROL SYSTEMS (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length1.000 INCHES NOMINAL IN
materialPALLADIUM ALLOY
thickness0.500 INCHES NOMINAL IN
special_featuresCOMPONENT OF SOLE SOURCE KIT(S) 5180-01-587-8171
style_designatorBALL
rolling_element_diameter0.2500 INCHES NOMINAL IN
criticality_code_justificationABGL
material_document_and_classificationBRINELL GRADE 280 MFR REF SINGLE MATERIAL RESPONSE AND PALLINEY 7 MFR REF SINGLE MATERIAL RESPONSE
NSN3110-00-779-6414
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21707 · Trust ⚠ 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
•
STYLE DESIGNATOR: BALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66,AISI/SAE 302 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
ROLLING ELEMENT DIAMETER: 0.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORBALL
SPECIAL FEATURESHARDNESS MEASURED ON PARALLEL FLATS
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI/SAE 302 FED STD SINGLE MATERIAL RESPONSE OVERALL
ROLLING ELEMENT DIAMETER0.2500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
8893Interchangeable
interchangeable cross-reference
interchangeable
21707Interchangeable
interchangeable cross-reference
interchangeable
0294Interchangeable
interchangeable cross-reference
interchangeable
515D163-7Interchangeable
interchangeable cross-reference
interchangeable
MAY 21707Interchangeable
interchangeable cross-reference
interchangeable
77C707831P006Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21707?
21707 is a BRUSH,ELECTRICAL CONTACT manufactured by Trust.
What parts can replace 21707?
There are 9 known substitutes for 21707: 8893, 21707, 0294 and 6 more. Substitute compatibility should be verified for your specific system.
Is 21707 still available?
21707 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