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Technical Data Sheet
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8-52-204 — BEARING UNIT,ROLLER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8-52-204: BEARING UNIT,ROLLER.

The BEARING UNIT,ROLLER is a the manufacturer industrial component. Key specifications include current_type: DC, voltage_rating: 10.0 VOLTS NOMINAL, special_features: BURST PRESSURE 5X THE RATED MAXIMUM, measurement_range: +0.0 TO 3000.0 POUNDS PER SQUARE INCH GAGE (PSIG) LBS, end_item_identification: HYDRAULIC CONTROL,STURGEON CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-076-3298, 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
8-52-204
NSN: 3130-01-076-3298
NIINs: 010763298, 013748058
FSC: 3130 — Bearings, Mounted
CAGE: 9U023 — ITW HEARTLAND COMPONENTS INC (USA)
SPECIFICATIONS
current_typeDC
voltage_rating10.0 VOLTS NOMINAL
special_featuresBURST PRESSURE 5X THE RATED MAXIMUM
measurement_range+0.0 TO 3000.0 POUNDS PER SQUARE INCH GAGE (PSIG) LBS
terminal_quantity4
end_item_identificationHYDRAULIC CONTROL,STURGEON CLASS SSN
electrical_connection_quantity1
NSN3130-01-076-3298
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8-52-204 · 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
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 3.3750 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
ROTATING ELEMENT LOCKING METHOD: SETSCREW LOCKING COLLAR
•
SEAL LOCATION: BOTH ENDS
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH3.3750 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPEROUND, UNTHREADED
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
BLOCK TYPEFIXED
STYLE DESIGNATORFLANGE CARTRIDGE BLOCK
SUBSTITUTES & CROSS-REFERENCES 2
8-52T07ITEM54Reference document
Same NSN cross-reference
Reference document — Secondary reference
MBR203Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8-52-204?
8-52-204 is a BEARING UNIT,ROLLER.
What parts can replace 8-52-204?
There are 2 known substitutes for 8-52-204: 8-52T07ITEM54, MBR203. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-52-204?
8-52-204 is cataloged in the U.S. Government catalog under NSN 3130-01-076-3298. 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.