PartsTable
Technical Data Sheet
MR4 ✓ 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,ROD END is a the manufacturer industrial component. Key specifications include shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, overall_length: 2.3500 INCHES NOMINAL IN, shank_diameter: 0.3750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-1636, 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
MR4
NSN: 3110-00-159-1636
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length2.3500 INCHES NOMINAL IN
shank_diameter0.3750 INCHES NOMINAL IN
shield_quantity2
inner_ring_width0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
outer_ring_width0.3600 INCHES NOMINAL IN
style_designatorSINGLE ROW, CONCAVE ROLLERS
thread_directionRIGHT-HAND
NSN3110-00-159-1636
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR4 · 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
SHANK THREAD LENGTH: 1.0000 INCHES NOMINAL IN
ALIGNMENT TYPE: SELF-ALIGNING
LUBRICATION MATERIAL: GREASE
NOMINAL THREAD SIZE: 0.375 INCHES IN
INNER RING WIDTH: 0.5000 INCHES NOMINAL IN
LENGTH FROM BORE CENTER TO SHANK END: 1.8400 INCHES NOMINAL IN
BEARING SEAL TYPE: CONTACT
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
SHANK THREAD LENGTH1.0000 INCHES NOMINAL IN
ALIGNMENT TYPESELF-ALIGNING
LUBRICATION MATERIALGREASE
NOMINAL THREAD SIZE0.375 INCHES IN
INNER RING WIDTH0.5000 INCHES NOMINAL IN
LENGTH FROM BORE CENTER TO SHANK END1.8400 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
THREAD QUANTITY PER INCH24
SPECIAL FEATURESFLUSH TYPE LUBRICANT FITTING
SELF-ALIGNMENT ANGLE10.00 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
K101026-11Interchangeable
interchangeable cross-reference
interchangeable
SM4-6TInterchangeable
interchangeable cross-reference
interchangeable
101026Interchangeable
interchangeable cross-reference
interchangeable
MRE4Interchangeable
Same NIIN cross-reference
interchangeable
MRE4ANG25Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR4?
MR4 is a BEARING,ROLLER,ROD END.
What parts can replace MR4?
There are 5 known substitutes for MR4: K101026-11, SM4-6T, 101026 and 2 more. Substitute compatibility should be verified for your specific system.
Is MR4 still available?
MR4 is currently cancelled.
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