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Renesas Electronics  · Electronic Components

BB404

Build in Biasing Circuit MOS FET IC Uhf/vhf RF Amplifier

Part NumberBB404
ManufacturerRenesas Electronics
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameBEARING,ROLLER,SELF-ALIGNING
MaterialSTEEL OUTER RING; STEEL INNER RING
Overall Width46.00 MILLIMETERS NOMINAL
Overall Outside Diameter130.00 MILLIMETERS NOMINAL
Style DesignatorDOUBLE ROW, SPHERICAL ROLLERS, SELF-CONTAINED, OUTER AND INNER RACEWAYS CONCAVE, NON-SEPARABLE
Bore ShapeSTRAIGHT
Standard Tolerance DesignationRBEC NO.1
Bore Diameter60.00 MILLIMETERS NOMINAL
Internal Fit Up DesignationLOOSE
Surface FinishGROUND
Federal Supply Class3110 — Bearings, Antifriction, Unmounted
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is BB404 available?
We can source BB404 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is BB404 by Renesas Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BB404 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like BB404?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for BB404?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.