ST4M123-4 — BEARING,PLAIN,SELF-ALIGNING

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

ST4M123-4: BEARING,PLAIN,SELF-ALIGNING.

The BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, hardness_rating: 37.0 ROCKWELL C MINIMUM INNER MEMBER, style_designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE, inner_member_width: 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN, outer_member_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-332-4437, 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

ST4M123-4

NSN: 3120-00-332-4437
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER
bore_diameter	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
hardness_rating	37.0 ROCKWELL C MINIMUM INNER MEMBER
style_designator	WITHOUT INSERT OR LINER WITH STAKING GROOVE
inner_member_width	0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN
outer_member_width	0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
static_radial_load_rating	6330 POUNDS LBS
outer_member_outside_diameter	0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN
NSN	3120-00-332-4437

COMPONENT DIAGRAM

KEY FEATURES

•

INNER MEMBER WIDTH: 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER

•

OUTER MEMBER WIDTH: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: WITHOUT INSERT OR LINER WITH STAKING GROOVE

•

STATIC RADIAL LOAD RATING: 6330 POUNDS LBS

•

BORE DIAMETER: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN

•

MATERIAL: COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER

TECHNICAL CHARACTERISTICS

INNER MEMBER WIDTH	0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM IN
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
HARDNESS RATING	37.0 ROCKWELL C MINIMUM INNER MEMBER
OUTER MEMBER WIDTH	0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STYLE DESIGNATOR	WITHOUT INSERT OR LINER WITH STAKING GROOVE
STATIC RADIAL LOAD RATING	6330 POUNDS LBS
BORE DIAMETER	0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
MATERIAL	COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER
MATERIAL	STEEL COMP 630 OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER	0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM IN

SUBSTITUTES & CROSS-REFERENCES 5

SBU8RZH21AReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

10107628Reference document

Same NSN cross-reference

Reference document — Informative reference only

SBU8RZH21-4AReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

BNG04H-123Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

KSB4-25SSBD1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST4M123-4?

ST4M123-4 is a BEARING,PLAIN,SELF-ALIGNING.

What parts can replace ST4M123-4?

There are 5 known substitutes for ST4M123-4: SBU8RZH21A, 10107628, SBU8RZH21-4A and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for ST4M123-4?

ST4M123-4 is cataloged in the U.S. Government catalog under NSN 3120-00-332-4437. This indicates validated use in U.S. government and defense supply chains.

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ST4M123-4 — BEARING,PLAIN,SELF-ALIGNING

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