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PH3U222H — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

PH3U222H: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 2.250 INCHES NOMINAL IN, bore_diameter: 1.375 INCHES NOMINAL IN, housing_width: 8.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-490-5050, 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
PH3U222H
NSN: 3130-00-490-5050
FSC: 3130 — Bearings, Mounted
CAGE: 19382 — REXNORD INDUSTRIES, LLC DIV LINK-BELT BEARING OPERATION (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length2.250 INCHES NOMINAL IN
bore_diameter1.375 INCHES NOMINAL IN
housing_width8.250 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.750 INCHES NOMINAL IN
housing_height4.500 INCHES NOMINAL IN
housing_length1.687 INCHES NOMINAL IN
shaft_end_typeOPEN
NSN3130-00-490-5050
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: PH3U222H · 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: LABYRINTH
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
ASSEMBLY OVERALL LENGTH: 2.250 INCHES NOMINAL IN
•
HOUSING HEIGHT: 4.500 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 1.250 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: SLOTTED
TECHNICAL CHARACTERISTICS
SEAL TYPELABYRINTH
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH2.250 INCHES NOMINAL IN
HOUSING HEIGHT4.500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH1.250 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODDIRECT
SEAL LOCATIONBOTH ENDS
SUBSTITUTES & CROSS-REFERENCES 1
SP22Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PH3U222H?
PH3U222H is a BEARING UNIT,BALL.
What parts can replace PH3U222H?
There is 1 known substitute for PH3U222H: SP22. Substitute compatibility should be verified for your specific system.
What is the NSN for PH3U222H?
PH3U222H is cataloged in the U.S. Government catalog under NSN 3130-00-490-5050. 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.