PartsTable
Technical Data Sheet
312Z ✓ 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 material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN, overall_width: 1.2185 INCHES MINIMUM AND 1.2205 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-529-9144, 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
312Z
NSN: 3110-00-529-9144
FSC: 3110
CAGE: 23803 — N T N BEARING CORP OF AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.3620 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
overall_width1.2185 INCHES MINIMUM AND 1.2205 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity1
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter5.1179 INCHES MINIMUM AND 5.1181 INCHES MAXIMUM IN
internal_fit-up_designationTIGHT
nondefinitive_spec/std_data111 TYPE AND 2 CLASS
NSN3110-00-529-9144
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 312Z · 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
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISH: GROUND
SHIELD QUANTITY: 1
INTERNAL FIT-UP DESIGNATION: LOOSE
LOAD DIRECTION: RADIAL
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
SHIELD QUANTITY1
OVERALL WIDTH1.2205 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONLOOSE
LOAD DIRECTIONRADIAL
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
318828-6Interchangeable
interchangeable cross-reference
interchangeable
65X174Interchangeable
interchangeable cross-reference
interchangeable
312Interchangeable
interchangeable cross-reference
interchangeable
1105-11Interchangeable
interchangeable cross-reference
interchangeable
02089018Interchangeable
interchangeable cross-reference
interchangeable
312PF4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 312Z?
312Z is a BEARING,BALL,ANNULAR.
What parts can replace 312Z?
There are 17 known substitutes for 312Z: 318828-6, 65X174, 312 and 14 more. Substitute compatibility should be verified for your specific system.
Is 312Z still available?
312Z is currently cancelled.
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