PartsTable
Technical Data Sheet
318S ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include shape: ANGULAR, material: COPPER ALLOY SHELL, unit_type: REFILLABLE CARTRIDGE, overall_length: 10.500 INCHES NOMINAL IN, shell_diameter: 3.125 INCHES NOMINAL IN, cartridge_length: 6.062 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8937, 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
318S
NSN: 3110-00-144-8937
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
shapeANGULAR
materialCOPPER ALLOY SHELL
unit_typeREFILLABLE CARTRIDGE
overall_length10.500 INCHES NOMINAL IN
shell_diameter3.125 INCHES NOMINAL IN
cartridge_length6.062 INCHES NOMINAL IN
style_designatorUNTHREADED INTERNAL LOCATION NOT OTHERWISE SPECIFIED
cartridge_quantity1
connection_special_designUNION LOCATION NOT OTHERWISE SPECIFIED
end_connection_type_and_locationUNTHREADED INTERNAL TUBE FIRST END
tube_outside_diameter_for_which_designed0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
distance_from_outlet_centerline_to_inlet_face8.188 INCHES NOMINAL IN
NSN3110-00-144-8937
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 318S · 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
BORE DIAMETER: 90.0 MILLIMETERS NOMINAL MM
NONDEFINITIVE SPEC/STD DATA: 111 TYPE AND 1 CLASS AND 00 GRADE
MATERIAL: STEEL OVERALL
INTERNAL FIT-UP DESIGNATION: STANDARD
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPE: STRAIGHT
OVERALL OUTSIDE DIAMETER: 190.0 MILLIMETERS NOMINAL MM
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER90.0 MILLIMETERS NOMINAL MM
NONDEFINITIVE SPEC/STD DATA111 TYPE AND 1 CLASS AND 00 GRADE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
BORE SHAPESTRAIGHT
OVERALL OUTSIDE DIAMETER190.0 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
SG4305PC43Interchangeable
interchangeable cross-reference
interchangeable
3306X3AInterchangeable
interchangeable cross-reference
interchangeable
69X613Interchangeable
interchangeable cross-reference
interchangeable
3318Interchangeable
interchangeable cross-reference
interchangeable
6318Interchangeable
interchangeable cross-reference
interchangeable
2500-6-174Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 318S?
318S is a BEARING,BALL,ANNULAR.
What parts can replace 318S?
There are 27 known substitutes for 318S: SG4305PC43, 3306X3A, 69X613 and 24 more. Substitute compatibility should be verified for your specific system.
Is 318S still available?
318S is currently cancelled.
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