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B30700600-7 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

B30700600-7: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 OVERALL, bore_diameter: 2.3400 INCHES NOMINAL IN, overall_width: 0.2550 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN, outside_diameter: 4.2900 INCHES MINIMUM AND 4.3000 INCHES MAXIMUM IN, style_designator: GROOVED, material_document_and_classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-070-6887, 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
B30700600-7
NSN: 3110-00-070-6887
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 8620 OVERALL
bore_diameter2.3400 INCHES NOMINAL IN
overall_width0.2550 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
outside_diameter4.2900 INCHES MINIMUM AND 4.3000 INCHES MAXIMUM IN
style_designatorGROOVED
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-070-6887
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B30700600-7 · 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
•
STYLE DESIGNATOR: GROOVED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.2900 INCHES MINIMUM AND 4.3000 INCHES MAXIMUM IN
•
BORE DIAMETER: 2.3400 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 8620 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORGROOVED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.2550 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.2900 INCHES MINIMUM AND 4.3000 INCHES MAXIMUM IN
BORE DIAMETER2.3400 INCHES NOMINAL IN
MATERIALSTEEL COMP 8620 OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B30700600-7?
B30700600-7 is a SEAT,BEARING.
What is the NSN for B30700600-7?
B30700600-7 is cataloged in the U.S. Government catalog under NSN 3110-00-070-6887. 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.