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A6901-15 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A6901-15: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, base_length: 0.5600 INCHES NOMINAL IN, bore_diameter: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN, housing_width: 1.7200 INCHES NOMINAL IN, base_thickness: 0.1900 INCHES NOMINAL IN, housing_height: 0.8900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-122-0552, 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
A6901-15
NSN: 3130-01-122-0552
FSC: 3130 — Bearings, Mounted
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
base_length0.5600 INCHES NOMINAL IN
bore_diameter0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
housing_width1.7200 INCHES NOMINAL IN
base_thickness0.1900 INCHES NOMINAL IN
housing_height0.8900 INCHES NOMINAL IN
housing_length0.4400 INCHES NOMINAL IN
shaft_end_typeOPEN
style_designatorPILLOW BLOCK, SOLID
mounting_hole_diameter0.1440 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline0.3900 INCHES NOMINAL IN
center_to_center_distance_between_mounting_holes_along_width1.2500 INCHES NOMINAL IN
NSN3130-01-122-0552
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A6901-15 · 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: 0.8900 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PILLOW BLOCK, SOLID
•
MOUNTING HOLE DIAMETER: 0.1440 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 1.2500 INCHES NOMINAL IN
•
HOUSING WIDTH: 1.7200 INCHES NOMINAL IN
•
BASE LENGTH: 0.5600 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
•
BASE THICKNESS: 0.1900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOUSING HEIGHT0.8900 INCHES NOMINAL IN
STYLE DESIGNATORPILLOW BLOCK, SOLID
MOUNTING HOLE DIAMETER0.1440 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH1.2500 INCHES NOMINAL IN
HOUSING WIDTH1.7200 INCHES NOMINAL IN
BASE LENGTH0.5600 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BASE THICKNESS0.1900 INCHES NOMINAL IN
BORE DIAMETER0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OVERALL
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: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is A6901-15?
A6901-15 is a HOUSING,BEARING UNIT.
What is the NSN for A6901-15?
A6901-15 is cataloged in the U.S. Government catalog under NSN 3130-01-122-0552. 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.