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598B20028 — BEARING UNIT,PLAIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

598B20028: BEARING UNIT,PLAIN.

The BEARING UNIT,PLAIN is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, bore_diameter: 0.3860 INCHES NOMINAL IN, alignment_type: RIGID, base_thickness: 0.140 INCHES MINIMUM IN, shaft_end_type: OPEN, surface_treatment: CHROMATE ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-451-2175, 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
598B20028
NSN: 3130-00-451-2175
FSC: 3130 — Bearings, Mounted
CAGE: 31218 — AMI INDUSTRIES, INC DIV UTC AEROSPACE SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
bore_diameter0.3860 INCHES NOMINAL IN
alignment_typeRIGID
base_thickness0.140 INCHES MINIMUM IN
shaft_end_typeOPEN
surface_treatmentCHROMATE ZINC OVERALL
mounting_hole_typeROUND, UNTHREADED
load_capability_typeRADIAL
height_from_bottom_of_base_to_bore_centerline0.120 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
center_to_center_distance_between_mounting_holes_along_width1.125 INCHES NOMINAL IN
NSN3130-00-451-2175
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 598B20028 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 1.125 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
SHAFT END TYPE: OPEN
•
SURFACE TREATMENT: CHROMATE ZINC OVERALL
•
BASE THICKNESS: 0.140 INCHES MINIMUM IN
•
BORE DIAMETER: 0.3860 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MOUNTING HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH1.125 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SHAFT END TYPEOPEN
SURFACE TREATMENTCHROMATE ZINC OVERALL
BASE THICKNESS0.140 INCHES MINIMUM IN
BORE DIAMETER0.3860 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE0.120 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 598B20028?
598B20028 is a BEARING UNIT,PLAIN.
What is the NSN for 598B20028?
598B20028 is cataloged in the U.S. Government catalog under NSN 3130-00-451-2175. This indicates validated use in U.S. government and defense supply chains.
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