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B740 — B740

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

B740: B740.

The B740 is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN, overall_length: 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-293-9563, 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
MRO→ MRO_GENERAL→ B740
NSN: 3120-01-293-9563
NIINs: 012939563, 014983518
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
flange_width0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
overall_length0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
body_outside_diameter0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
end_item_identificationAN/BQQ-10(V) UNIT 4025, ADVANCED TACTICAL CSL; TI02 ATC
flange_outside_diameter0.5550 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyLOWER CONTROL PANEL ASSEMBLY
NSN3120-01-293-9563
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B740 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 0.5550 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.5550 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 841 OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 B740?
B740 is a B740. It is classified as a MRO (MRO_GENERAL).
What is the NSN for B740?
B740 is cataloged in the U.S. Government catalog under NSN 3120-01-293-9563. This indicates validated use in U.S. government and defense supply chains.
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