PartsTable
Technical Data Sheet
PartsTable / MRO / 203R
203R ✓ 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 SIGHT,NIGHT VISION SNIPERSCOPE is a the manufacturer industrial component. Key specifications include bracket: PROVIDED, material: PLASTIC INSULATOR, body_style: STRAIGHT HANDLE, bore_shape: STRAIGHT, body_length: 1.000 INCHES NOMINAL IN, finger_type: TEST PROD SINGLE FINGER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6752, 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→ 203R
NSN: 3110-00-156-6752
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
bracketPROVIDED
materialPLASTIC INSULATOR
body_styleSTRAIGHT HANDLE
bore_shapeSTRAIGHT
body_length1.000 INCHES NOMINAL IN
finger_typeTEST PROD SINGLE FINGER
bore_diameter0.6693 INCHES NOMINAL IN
contact_angle25.0 DEGREES MAXIMUM
finger_length0.500 INCHES MAXIMUM SINGLE FINGER IN
focusing_typeADJUSTABLE
overall_width0.4724 INCHES NOMINAL IN
terminal_typeSCREW
NSN3110-00-156-6752
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 203R · 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
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
OVERALL OUTSIDE DIAMETER: 40.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL: STEEL BALL
•
BORE DIAMETER: 17.0 MILLIMETERS NOMINAL MM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ANGLE25.0 DEGREES MAXIMUM
OVERALL OUTSIDE DIAMETER40.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
BORE DIAMETER17.0 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
NOTHINGInterchangeable
interchangeable cross-reference
interchangeable
8721PC14M0DInterchangeable
interchangeable cross-reference
interchangeable
9636 PC 14 SPCLNInterchangeable
interchangeable cross-reference
interchangeable
280026-44Interchangeable
interchangeable cross-reference
interchangeable
H20303-1AInterchangeable
interchangeable cross-reference
interchangeable
150-409FPC203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203R?
203R is a SIGHT,NIGHT VISION SNIPERSCOPE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 203R?
There are 28 known substitutes for 203R: NOTHING, 8721PC14M0D, 9636 PC 14 SPCLN and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203R?
203R is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-6752. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026