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MBR-2107B — BEARING UNIT,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MBR-2107B: BEARING UNIT,ROLLER.

The BEARING UNIT,ROLLER is a the manufacturer industrial component. Key specifications include bore_diameter: 1.4375 INCHES NOMINAL IN, style_designator: FLANGE BLOCK, end_item_identification: NAVY EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-473-8951, 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
MBR-2107B
NSN: 3130-01-473-8951
FSC: 3130 — Bearings, Mounted
CAGE: 19382 — REXNORD INDUSTRIES, LLC DIV LINK-BELT BEARING OPERATION (USA)
SPECIFICATIONS
bore_diameter1.4375 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
end_item_identificationNAVY EQUIPMENT
NSN3130-01-473-8951
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MBR-2107B · 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
•
STYLE DESIGNATOR: FLANGE BLOCK
•
BORE DIAMETER: 1.4375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLANGE BLOCK
END ITEM IDENTIFICATIONNAVY EQUIPMENT
BORE DIAMETER1.4375 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MBR-2107B?
MBR-2107B is a BEARING UNIT,ROLLER.
What is the NSN for MBR-2107B?
MBR-2107B is cataloged in the U.S. Government catalog under NSN 3130-01-473-8951. 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.