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Technical Data Sheet
PartsTable / COMPONENT / MR203-E-1
MR203-E-1 ✓ 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

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, point_size: 0.500 INCHES IN, overall_length: 7.000 INCHES NOMINAL IN, special_features: BRASS, nondefinitive_spec/std_data: 2 TYPE AND 4 CLASS, specification/standard_data: 05047-ASME B107.410 CAT 48 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-630-2061, 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
MR203-E-1
NSN: 3110-00-630-2061
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
point_size0.500 INCHES IN
overall_length7.000 INCHES NOMINAL IN
special_featuresBRASS
nondefinitive_spec/std_data2 TYPE AND 4 CLASS
specification/standard_data05047-ASME B107.410 CAT 48 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN3110-00-630-2061
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR203-E-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7B7129Interchangeable
interchangeable cross-reference
interchangeable
24244Interchangeable
interchangeable cross-reference
interchangeable
A36560 PIECE 26Interchangeable
interchangeable cross-reference
interchangeable
25076Interchangeable
interchangeable cross-reference
interchangeable
A36558PC26Interchangeable
interchangeable cross-reference
interchangeable
4052T95P01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR203-E-1?
MR203-E-1 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace MR203-E-1?
There are 13 known substitutes for MR203-E-1: 7B7129, 24244, A36560 PIECE 26 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR203-E-1?
MR203-E-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-630-2061. 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