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RM4 — PANEL,ELECTRICAL-ELECTRONIC EQUI

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

RM4: PANEL,ELECTRICAL-ELECTRONIC EQUI.

PANEL,ELECTRICAL-ELECTRONIC EQUI. Key specifications include shape: CYLINDRICAL, material: ALUMINUM PANEL, tire_type: PNEUMATIC, cable_reel: NOT INCLUDED, shank_style: EXTERNALLY THREADED, drawbar_type: RIGID A-FRAME. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-043-2689, 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
RM4
NSN: 3110-00-043-2689
NIINs: 000432689, 001622437, 005425623, 012254048, 016490897
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 77896 — REXNORD INDUSTRIES, LLC DIV AEROSSPACE BEARING OPERATION (USA)
SPECIFICATIONS
shapeCYLINDRICAL
materialALUMINUM PANEL
tire_typePNEUMATIC
cable_reelNOT INCLUDED
shank_styleEXTERNALLY THREADED
drawbar_typeRIGID A-FRAME
support_typeWHEEL
thread_class3A A
usage_designHOUSES UP TO 4 MASTERCLOCK UNITS.
bore_diameter0.2500 INCHES NOMINAL IN
overall_width19.00 INCHES NOMINAL IN
seal_quantity2
NSN3110-00-043-2689
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: RM4 · 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 DIAMETER: 0.3750 INCHES NOMINAL IN
•
SHANK THREAD LENGTH: 0.7500 INCHES NOMINAL IN
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3500 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3750 INCHES NOMINAL IN
SHANK THREAD LENGTH0.7500 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER
SUBSTITUTES & CROSS-REFERENCES 1
SM4-6BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RM4?
RM4 is a PANEL,ELECTRICAL-ELECTRONIC EQUI.
What parts can replace RM4?
There is 1 known substitute for RM4: SM4-6B. Substitute compatibility should be verified for your specific system.
What is the NSN for RM4?
RM4 is cataloged in the U.S. Government catalog under NSN 3110-00-043-2689. This indicates validated use in U.S. government and defense supply chains.
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