PartsTable
Technical Data Sheet
Download PDF

12007870 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

12007870: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include overall_width: 0.0900 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN, outside_diameter: 3.5710 INCHES MINIMUM AND 3.5810 INCHES MAXIMUM IN, special_features: INSIDE DIAMETER:2.5480 IN.MIN.AND 2.5530 IN.MAX.;SEAT STYLE:NO.636;MATERIAL AND LOCATION:BRONZE,QQ-B-728 OVERALL; IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-048-6156, 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
12007870
NSN: 3110-01-048-6156
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
overall_width0.0900 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
outside_diameter3.5710 INCHES MINIMUM AND 3.5810 INCHES MAXIMUM IN
special_featuresINSIDE DIAMETER:2.5480 IN.MIN.AND 2.5530 IN.MAX.;SEAT STYLE:NO.636;MATERIAL AND LOCATION:BRONZE,QQ-B-728 OVERALL; IN
NSN3110-01-048-6156
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 12007870 · 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
•
OUTSIDE DIAMETER: 3.5710 INCHES MINIMUM AND 3.5810 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.0900 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.5710 INCHES MINIMUM AND 3.5810 INCHES MAXIMUM IN
SPECIAL FEATURESINSIDE DIAMETER:2.5480 IN.MIN.AND 2.5530 IN.MAX.;SEAT STYLE:NO.636;MATERIAL AND LOCATION:BRONZE,QQ-B-728 OVERALL; IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 12007870?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12007870?
12007870 is a SEAT,BEARING.
What is the NSN for 12007870?
12007870 is cataloged in the U.S. Government catalog under NSN 3110-01-048-6156. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12007870

✓ 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.