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BM28978-010 — BEARING SET,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BM28978-010: BEARING SET,SLEEVE.

The BEARING SET,SLEEVE is a the manufacturer industrial component. Key specifications include width: 7.375 INCHES NOMINAL IN, clutch: INCLUDED, length: 11.187 INCHES NOMINAL IN, radius: 0.063 INCHES NOMINAL IN, weight: 168.0 OUNCES OZ, diameter: 5.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-034-7330, 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
BM28978-010
NSN: 3120-00-034-7330
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
width7.375 INCHES NOMINAL IN
clutchINCLUDED
length11.187 INCHES NOMINAL IN
radius0.063 INCHES NOMINAL IN
weight168.0 OUNCES OZ
diameter5.750 INCHES NOMINAL IN
materialSTEEL
quantity1
cut_depth0.500 INCHES NOMINAL IN
thickness0.125 INCHES NOMINAL IN
tube_typeDUOTRIODE
body_stylePLAIN ENDS
NSN3120-00-034-7330
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BM28978-010 · 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
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 5
MS-844P-10 PLUS TW-153SReference document
Same NSN cross-reference
Reference document — Secondary reference
2815000347330Reference document
Same NSN cross-reference
Reference document — Informative reference only
MILE11276Reference document
Same NSN cross-reference
Reference document — Identification reference
AR07111Reference document
Same NSN cross-reference
Reference document — Secondary reference
QPL11276Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BM28978-010?
BM28978-010 is a BEARING SET,SLEEVE.
What parts can replace BM28978-010?
There are 5 known substitutes for BM28978-010: MS-844P-10 PLUS TW-153S, 2815000347330, MILE11276 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM28978-010?
BM28978-010 is cataloged in the U.S. Government catalog under NSN 3120-00-034-7330. This indicates validated use in U.S. government and defense supply chains.
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