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Technical Data Sheet
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33228 — Technical Data Sheet

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Iomega · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

Simple, cost effective storage - Iomega’s 250 GB - 3.5” Silver Series Hard Drive is the affordable way to save your precious memories – save up to 1,000,000 photos, 4,625 hours of music, or 375 hours of video. Not only is this drive economical but it is very easy-to-use and preformatted for simple set up – just plug and play.<br>1.1 min/MB – 128Kbps MP3 audio; 4 photos/MB – highly compressed 3-megapixel JPG photos, 11MB/Min - DVD MPEG 2 (720 x 480) This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8882, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
33228
NSN: 3110-00-144-8882
FSC: 3110
CAGE: 07385 — THE BIRO MANUFACTURING COMPANY (USA)
SPECIFICATIONS
phaseTHREE
height0.125 INCHES NOMINAL IN
diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
materialSTEEL OVERALL
bore_shapeSTRAIGHT
duty_cycleCONTINUOUS
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
control_typeREMOTE
drive_methodPNEUMATIC
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width3.625 INCHES NOMINAL IN
load_directionRADIAL
NSN3110-00-144-8882
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 33228 · Iomega ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
MATERIAL: STEEL OVERALL
•
SHIELD QUANTITY: 2
•
SURFACE FINISH: GROUND
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
MATERIALSTEEL OVERALL
SHIELD QUANTITY2
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIALGREASE
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 3 CLASS AND 00 GRADE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 38
1655 SIZE 0.4990Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.2Interchangeable
interchangeable cross-reference
interchangeable
125-130P4Interchangeable
interchangeable cross-reference
interchangeable
Q70994-5Interchangeable
interchangeable cross-reference
interchangeable
8825K5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 33228?
33228 is a HOLDER,ELECTRICAL CONTACT BRUSH manufactured by Iomega.
What parts can replace 33228?
There are 38 known substitutes for 33228: 1655 SIZE 0.4990, GGG-R-180, ASME B94.2 and 35 more. Substitute compatibility should be verified for your specific system.
Is 33228 still available?
33228 is currently cancelled.
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Last verified: September 2026