PartsTable
Technical Data Sheet
903018 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
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

The LENS,INFRARED RECEIVER is a the manufacturer industrial component. Key specifications include length: 47.0 MILLIMETERS NOMINAL MM, diameter: 46.0 MILLIMETERS NOMINAL MM, material: QUARTZ, bore_shape: STRAIGHT, bore_diameter: 90.0 MILLIMETERS NOMINAL MM, overall_width: 24.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8940, 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
MRO MRO_GENERAL 903018
NSN: 3110-00-144-8940
FSC: 3110
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
length47.0 MILLIMETERS NOMINAL MM
diameter46.0 MILLIMETERS NOMINAL MM
materialQUARTZ
bore_shapeSTRAIGHT
bore_diameter90.0 MILLIMETERS NOMINAL MM
overall_width24.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
outside_diameter3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
special_featuresFOCAL LENGTH 2MM; MAX APERTURE RATIO F0.95; IRIS RANGE 0.95-16; SPECTRAL TRANSMISSION RANGE 400-2200NM MM
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
center_hole_diameter3.719 INCHES MINIMUM AND 3.749 INCHES MAXIMUM IN
NSN3110-00-144-8940
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 903018 · 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
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
MATERIAL: STEEL OVERALL
INTERNAL FIT-UP DESIGNATION: STANDARD
OVERALL OUTSIDE DIAMETER: 140.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
SURFACE FINISH: GROUND
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
OVERALL OUTSIDE DIAMETER140.0 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL WIDTH24.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
BORE DIAMETER90.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
114007Interchangeable
interchangeable cross-reference
interchangeable
6118Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/8Interchangeable
interchangeable cross-reference
interchangeable
472Interchangeable
interchangeable cross-reference
interchangeable
BAC1503-1470Interchangeable
interchangeable cross-reference
interchangeable
60-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 903018?
903018 is a LENS,INFRARED RECEIVER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 903018?
There are 29 known substitutes for 903018: 114007, 6118, QQ-A-200/8 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 903018?
903018 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8940. This indicates validated use in U.S. government and defense supply chains.
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