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921392 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

921392: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, cup_width: 1.2500 INCHES NOMINAL IN, body_width: 0.250 INCHES NOMINAL IN, cone_width: 1.8125 INCHES NOMINAL IN, body_height: 0.282 INCHES NOMINAL IN, body_length: 0.593 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-5802, 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
921392
NSN: 3110-00-100-5802
NIINs: 001005802, 008246949
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.2500 INCHES NOMINAL IN
body_width0.250 INCHES NOMINAL IN
cone_width1.8125 INCHES NOMINAL IN
body_height0.282 INCHES NOMINAL IN
body_length0.593 INCHES NOMINAL IN
bore_diameter3.3125 INCHES NOMINAL IN
overall_width1.9375 INCHES NOMINAL IN
inclosure_typeOPEN
standout_width0.6875 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING SINGLE GROUP
frequency_rating30.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
NSN3110-00-100-5802
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 921392 · 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
•
CUP WIDTH: 1.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT BORE, STEEP ANGLE
•
OVERALL OUTSIDE DIAMETER: 6.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.6875 INCHES NOMINAL IN
•
CONE WIDTH: 1.8125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CUP WIDTH1.2500 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT BORE, STEEP ANGLE
OVERALL WIDTH1.9375 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.6875 INCHES NOMINAL IN
CONE WIDTH1.8125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER3.3125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
9385-9321Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 921392?
921392 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 921392?
There is 1 known substitute for 921392: 9385-9321. Substitute compatibility should be verified for your specific system.
What is the NSN for 921392?
921392 is cataloged in the U.S. Government catalog under NSN 3110-00-100-5802. 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.