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6537-50-432-1101 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6537-50-432-1101: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 1.1875 INCHES MINIMUM AND 1.1885 INCHES MAXIMUM IN, housing_length: 0.6250 INCHES NOMINAL IN, shaft_end_type: OPEN, flange_thickness: 0.1250 INCHES NOMINAL IN, housing_diameter: 1.437 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-864-9504, 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
6537-50-432-1101
NSN: 3130-00-864-9504
FSC: 3130 — Bearings, Mounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter1.1875 INCHES MINIMUM AND 1.1885 INCHES MAXIMUM IN
housing_length0.6250 INCHES NOMINAL IN
shaft_end_typeOPEN
flange_thickness0.1250 INCHES NOMINAL IN
housing_diameter1.437 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
mounting_hole_typeROUND, UNTHREADED
bolt_circle_diameter1.4370 INCHES NOMINAL IN
mounting_hole_diameter0.2650 INCHES NOMINAL IN
lubrication_fitting_typeSELF LUBRICATED
center_to_center_distance_between_mounting_holes_along_width0.812 INCHES NOMINAL IN
NSN3130-00-864-9504
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6537-50-432-1101 · 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
•
LUBRICATION FITTING TYPE: SELF LUBRICATED
•
FLANGE THICKNESS: 0.1250 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
STYLE DESIGNATOR: FLANGE BLOCK
•
MOUNTING HOLE DIAMETER: 0.2650 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 0.812 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.4370 INCHES NOMINAL IN
•
SHAFT END TYPE: OPEN
TECHNICAL CHARACTERISTICS
LUBRICATION FITTING TYPESELF LUBRICATED
FLANGE THICKNESS0.1250 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.2650 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH0.812 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.4370 INCHES NOMINAL IN
SHAFT END TYPEOPEN
BORE DIAMETER1.1875 INCHES MINIMUM AND 1.1885 INCHES MAXIMUM IN
MATERIALSTEEL 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6537-50-432-1101?
6537-50-432-1101 is a HOUSING,BEARING UNIT.
What is the NSN for 6537-50-432-1101?
6537-50-432-1101 is cataloged in the U.S. Government catalog under NSN 3130-00-864-9504. 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.