PartsTable
Technical Data Sheet
228 ✓ Verified by PartsTable
· 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include width: 10.600 INCHES NOMINAL IN, length: 120.000 FEET NOMINAL FT, plated: NOT PLATED, material: ZINC ALLOY AND COPPER ALLOY OVERALL, end_style: MACHINED HALF LOOP BOTH ENDS, base_style: SPECIAL MINIATURE, ONE AND HALF TURN THREAD. 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. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
228
NSN: 3110-00-144-8882
FSC: 3110
CAGE: 07385 — THE BIRO MANUFACTURING COMPANY (USA)
SPECIFICATIONS
width10.600 INCHES NOMINAL IN
length120.000 FEET NOMINAL FT
platedNOT PLATED
materialZINC ALLOY AND COPPER ALLOY OVERALL
end_styleMACHINED HALF LOOP BOTH ENDS
base_styleSPECIAL MINIATURE, ONE AND HALF TURN THREAD
bore_shapeSTRAIGHT
bulb_styleB (ARBITRARY DESIGNATION)
plate_typeNEGATIVE OR POSITIVE
usage_formROLL
valve_size5.000 INCHES IN
design_typeCLOSED
NSN3110-00-144-8882
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 228 · OEM ⚠ 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 36
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 228?
228 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 228?
There are 36 known substitutes for 228: 1655 SIZE 0.4990, GGG-R-180, ASME B94.2 and 33 more. Substitute compatibility should be verified for your specific system.
Is 228 still available?
228 is currently cancelled.
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