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Technical Data Sheet
PartsTable / COMPONENT / RM4DW
RM4DW ✓ 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 material: RUBBER SYNTHETIC SEAL, 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: 2.2800 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-422-1580, 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
RM4DW
NSN: 3110-00-422-1580
FSC: 3110
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
overall_length2.2800 INCHES NOMINAL IN
shank_diameter0.3750 INCHES NOMINAL IN
inner_ring_width0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM IN
outer_ring_width0.3500 INCHES NOMINAL IN
special_featuresMILLED GROOVE PER NAS 513-6
style_designatorSINGLE ROW, CONCAVE ROLLERS
NSN3110-00-422-1580
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RM4DW · 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
•
LENGTH FROM BORE CENTER TO SHANK END: 1.8650 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN
•
SHANK THREAD LENGTH: 1.2500 INCHES MINIMUM IN
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
SELF-ALIGNMENT ANGLE: 10.00 DEGREES NOMINAL
•
INNER RING WIDTH: 0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM IN
•
SEAL QUANTITY: 2
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH FROM BORE CENTER TO SHANK END1.8650 INCHES MINIMUM AND 1.8950 INCHES MAXIMUM IN
SHANK THREAD LENGTH1.2500 INCHES MINIMUM IN
SELF-ALIGNMENT LOCATIONINTERNAL
SELF-ALIGNMENT ANGLE10.00 DEGREES NOMINAL
SPECIAL FEATURESMILLED GROOVE PER NAS 513-6
INNER RING WIDTH0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM IN
SEAL QUANTITY2
THREAD QUANTITY PER INCH24
ALIGNMENT TYPESELF-ALIGNING
BEARING SEAL TYPECONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
114PS202-1Interchangeable
interchangeable cross-reference
interchangeable
SM4-6G-8Interchangeable
interchangeable cross-reference
interchangeable
SM4-6G-45Interchangeable
interchangeable cross-reference
interchangeable
202-19020-4DRWInterchangeable
Same NIIN cross-reference
interchangeable
GB525B4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RM4DW?
RM4DW is a BEARING,ROLLER,ROD END.
What parts can replace RM4DW?
There are 5 known substitutes for RM4DW: 114PS202-1, SM4-6G-8, SM4-6G-45 and 2 more. Substitute compatibility should be verified for your specific system.
Is RM4DW still available?
RM4DW 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