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KRJ7SB-012S — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

KRJ7SB-012S: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-352-2780, 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
KRJ7SB-012S
NSN: 3120-01-352-2780
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 50632 — KAMATICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
body_outside_diameter0.5633 INCHES MINIMUM AND 0.5638 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-352-2780
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: KRJ7SB-012S · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.5633 INCHES MINIMUM AND 0.5638 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.5633 INCHES MINIMUM AND 0.5638 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.3650 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 OVERALL
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 7
KDJ07C012-341Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
04A075-07C012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
06-282-07-012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
04A075-07C12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AHJ07C(L1)012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MBSS-7-012Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 KRJ7SB-012S?
KRJ7SB-012S is a BEARING,SLEEVE.
What parts can replace KRJ7SB-012S?
There are 7 known substitutes for KRJ7SB-012S: KDJ07C012-341, 04A075-07C012, 06-282-07-012 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KRJ7SB-012S?
KRJ7SB-012S is cataloged in the U.S. Government catalog under NSN 3120-01-352-2780. This indicates validated use in U.S. government and defense supply chains.
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