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64612MBP — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

64612MBP: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include bore_diameter: 0.8750 INCHES NOMINAL IN, housing_width: 5.1880 INCHES NOMINAL IN, housing_length: 1.3750 INCHES NOMINAL IN, shaft_end_type: CLOSED OR OPEN, flange_thickness: 0.9370 INCHES NOMINAL IN, style_designator: FLANGE BLOCK. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-194-9331, 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
64612MBP
NSN: 3130-01-194-9331
FSC: 3130 — Bearings, Mounted
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
bore_diameter0.8750 INCHES NOMINAL IN
housing_width5.1880 INCHES NOMINAL IN
housing_length1.3750 INCHES NOMINAL IN
shaft_end_typeCLOSED OR OPEN
flange_thickness0.9370 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
bolt_circle_diameter3.8120 INCHES NOMINAL IN
specification/standard_data71041-64612MBP MANUFACTURERS STANDARD
NSN3130-01-194-9331
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 64612MBP · 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
•
FLANGE THICKNESS: 0.9370 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGE BLOCK
•
SPECIFICATION/STANDARD DATA: 71041-64612MBP MANUFACTURERS STANDARD
•
HOUSING WIDTH: 5.1880 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.8120 INCHES NOMINAL IN
•
SHAFT END TYPE: CLOSED OR OPEN
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
•
HOUSING LENGTH: 1.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.9370 INCHES NOMINAL IN
STYLE DESIGNATORFLANGE BLOCK
SPECIFICATION/STANDARD DATA71041-64612MBP MANUFACTURERS STANDARD
HOUSING WIDTH5.1880 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.8120 INCHES NOMINAL IN
SHAFT END TYPECLOSED OR OPEN
BORE DIAMETER0.8750 INCHES NOMINAL IN
HOUSING LENGTH1.3750 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 1
MBP2L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 64612MBP?
64612MBP is a HOUSING,BEARING UNIT.
What parts can replace 64612MBP?
There is 1 known substitute for 64612MBP: MBP2L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 64612MBP?
64612MBP is cataloged in the U.S. Government catalog under NSN 3130-01-194-9331. 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.