PartsTable
Technical Data Sheet
R4 ✓ 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 REDUCING WASHER,KNOCKOUT is a the manufacturer industrial component. Key specifications include lever: INCLUDED, material: STEEL INNER RING, bore_shape: STRAIGHT, chain_size: 0.500 INCHES NOMINAL IN, design_type: NONREUSABLE, lever_length: 14.000 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-9239, 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
R4
NSN: 3110-00-159-9239
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
leverINCLUDED
materialSTEEL INNER RING
bore_shapeSTRAIGHT
chain_size0.500 INCHES NOMINAL IN
design_typeNONREUSABLE
cam_quantity2
lever_length14.000 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
body_diameter3.062 INCHES MINIMUM AND 3.094 INCHES MAXIMUM IN
bore_diameter30.0 MILLIMETERS NOMINAL MM
face_materialRUBBER SYNTHETIC
hole_diameter0.440 INCHES NOMINAL IN
mounting_typeFLOOR
NSN3110-00-159-9239
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R4 · 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
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
LOAD DIRECTION: RADIAL
MATERIAL: STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.3
LOAD DIRECTIONRADIAL
MATERIALSTEEL CORROSION RESISTING OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
STANDARD TOLERANCE DESIGNATIONABEC NO.3
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE DIAMETER0.2500 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
23060Interchangeable
interchangeable cross-reference
interchangeable
504C-4Interchangeable
interchangeable cross-reference
interchangeable
ER4-1Interchangeable
interchangeable cross-reference
interchangeable
R4Interchangeable
interchangeable cross-reference
interchangeable
RW4SInterchangeable
interchangeable cross-reference
interchangeable
RW1007Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R4?
R4 is a REDUCING WASHER,KNOCKOUT.
What parts can replace R4?
There are 30 known substitutes for R4: 23060, 504C-4, ER4-1 and 27 more. Substitute compatibility should be verified for your specific system.
Is R4 still available?
R4 is currently cancelled.
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