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Technical Data Sheet

BCZ-240AA 180/180 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BCZ-240AA 180/180: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include base_length: 3.9400 INCHES NOMINAL IN, bore_diameter: 9.4490 INCHES MINIMUM AND 9.4520 INCHES MAXIMUM IN, housing_width: 19.6875 INCHES NOMINAL IN, base_thickness: 5.9100 INCHES NOMINAL IN, housing_height: 12.7969 INCHES NOMINAL IN, housing_length: 6.8100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-317-4110, 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
BCZ-240AA 180/180
NSN: 3130-01-317-4110
FSC: 3130 — Bearings, Mounted
CAGE: A029G — KONE INDUSTRIAL OY (FIN)
SPECIFICATIONS
base_length3.9400 INCHES NOMINAL IN
bore_diameter9.4490 INCHES MINIMUM AND 9.4520 INCHES MAXIMUM IN
housing_width19.6875 INCHES NOMINAL IN
base_thickness5.9100 INCHES NOMINAL IN
housing_height12.7969 INCHES NOMINAL IN
housing_length6.8100 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter1.3400 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline6.5000 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_width16.3437 INCHES NOMINAL IN
NSN3130-01-317-4110
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BCZ-240AA 180/180 · 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
•
HOUSING HEIGHT: 12.7969 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
MOUNTING HOLE DIAMETER: 1.3400 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 16.3437 INCHES NOMINAL IN
•
HOUSING WIDTH: 19.6875 INCHES NOMINAL IN
•
BASE LENGTH: 3.9400 INCHES NOMINAL IN
•
BASE THICKNESS: 5.9100 INCHES NOMINAL IN
•
BORE DIAMETER: 9.4490 INCHES MINIMUM AND 9.4520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT12.7969 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
MOUNTING HOLE DIAMETER1.3400 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH16.3437 INCHES NOMINAL IN
HOUSING WIDTH19.6875 INCHES NOMINAL IN
BASE LENGTH3.9400 INCHES NOMINAL IN
BASE THICKNESS5.9100 INCHES NOMINAL IN
BORE DIAMETER9.4490 INCHES MINIMUM AND 9.4520 INCHES MAXIMUM IN
HOUSING LENGTH6.8100 INCHES NOMINAL IN
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE6.5000 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
1386G2300Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BCZ-240AA 180/180?
BCZ-240AA 180/180 is a HOUSING,BEARING UNIT.
What parts can replace BCZ-240AA 180/180?
There is 1 known substitute for BCZ-240AA 180/180: 1386G2300. Substitute compatibility should be verified for your specific system.
What is the NSN for BCZ-240AA 180/180?
BCZ-240AA 180/180 is cataloged in the U.S. Government catalog under NSN 3130-01-317-4110. 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.