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Technical Data Sheet
PartsTable / COMPONENT / MS51961-5
MS51961-5 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL ROLLER, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_width: 0.7500 INCHES NOMINAL IN, alignment_type: RIGID, surface_finish: GROUND, special_features: OIL HOLE AND OIL GROOVE IN OUTER RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-3238, 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
MS51961-5
NSN: 3110-00-227-3238
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL ROLLER
bore_diameter0.8750 INCHES NOMINAL IN
overall_width0.7500 INCHES NOMINAL IN
alignment_typeRIGID
surface_finishGROUND
special_featuresOIL HOLE AND OIL GROOVE IN OUTER RING
style_designatorNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
overall_outside_diameter1.3750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
NSN3110-00-227-3238
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS51961-5 · 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
•
OVERALL OUTSIDE DIAMETER: 1.3750 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
RETAINER FABRICATION METHOD: PRESSED
•
MATERIAL: STEEL ROLLER
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER1.3750 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE AND OIL GROOVE IN OUTER RING
ALIGNMENT TYPERIGID
RETAINER FABRICATION METHODPRESSED
MATERIALSTEEL ROLLER
MATERIALSTEEL OR COPPER ALLOY RETAINER
SURFACE FINISHGROUND
MATERIALSTEEL OUTER RING
STYLE DESIGNATORNON-SEPARABLE, WITH ROLLER RETAINER, HARDENED AND GROUND
BORE DIAMETER0.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
753-0253-000Interchangeable
interchangeable cross-reference
interchangeable
580R046H01Interchangeable
interchangeable cross-reference
interchangeable
150 17Interchangeable
interchangeable cross-reference
interchangeable
B94.11MInterchangeable
interchangeable cross-reference
interchangeable
13317Interchangeable
interchangeable cross-reference
interchangeable
25A7571PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51961-5?
MS51961-5 is a BEARING,ROLLER,NEEDLE.
What parts can replace MS51961-5?
There are 18 known substitutes for MS51961-5: 753-0253-000, 580R046H01, 150 17 and 15 more. Substitute compatibility should be verified for your specific system.
Is MS51961-5 still available?
MS51961-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026