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Technical Data Sheet
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123338 — BEARING UNIT,BALL

✓ Government record, cited
Hama · BALL BEARING
PRODUCT OVERVIEW

123338: BEARING UNIT,BALL.

- Robust metal plug with the best shielding for reliable signal transmission - Quad-shielding for optimum reduction of electromagnetic interference - Easy to lay thanks to the elastic, environment-friendly TPE material - Flexible materials guarantee optimum kink protection and prevent cable breakage - High-quality materials and shielded lines for excellent picture and sound quality without interference - Removable ferrite core for more flexibility when mounting the cable and for decimating remaining interference - Elegant and flexible fabric jacket for additional kink protection - 24 K gold-plated plug for improved contact quality and optimal signal transmission - 120 decibel screening rate (two layers each of high-density braiding + shielding foil) for protection from electromagnetic interference This part is cataloged in the U.S. Government catalog under NSN 3130-00-088-0239, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
123338
NSN: 3130-00-088-0239
FSC: 3130 — Bearings, Mounted
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
materialIRON HOUSING
seal_typeCONTACT
base_length1.7500 INCHES NOMINAL IN
bore_diameter1.1875 INCHES NOMINAL IN
housing_width6.2500 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.6875 INCHES NOMINAL IN
housing_height3.2500 INCHES NOMINAL IN
collar_locationONE END
style_designatorPILLOW BLOCK, SOLID
features_providedGROUND ROLLING ELEMENT GROOVE
NSN3130-00-088-0239
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 123338 · Hama ⚠ 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
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SEAL TYPE: CONTACT
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LUBRICATION MATERIAL: GREASE
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LUBRICATION FITTING TYPE: HYDRAULIC
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ASSEMBLY OVERALL LENGTH: 1.7500 INCHES NOMINAL IN
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HOUSING HEIGHT: 3.2500 INCHES NOMINAL IN
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MOUNTING SLOT LENGTH: 0.5625 INCHES NOMINAL IN
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INTERNAL FIT-UP DESIGNATION: STANDARD
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MOUNTING HOLE TYPE: SLOTTED
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEHYDRAULIC
ASSEMBLY OVERALL LENGTH1.7500 INCHES NOMINAL IN
HOUSING HEIGHT3.2500 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.5625 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
SUBSTITUTES & CROSS-REFERENCES 1
123205Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 123338?
123338 is a BEARING UNIT,BALL manufactured by Hama.
What parts can replace 123338?
There is 1 known substitute for 123338: 123205. Substitute compatibility should be verified for your specific system.
What is the NSN for 123338?
123338 is cataloged in the U.S. Government catalog under NSN 3130-00-088-0239. This indicates validated use in U.S. government and defense supply chains.
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