PartsTable
Technical Data Sheet
063978 ✓ 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,NEEDLE is a the manufacturer industrial component. Key specifications include end_item_identification: USED ON 324PERISCOPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-990-8236, 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
063978
NSN: 3110-00-990-8236
FSC: 3110
CAGE: 77640 — ZF ACTIVE SAFETY AND ELECTRONICS US LLC DIV TRW COMMERCIAL STEERING SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationUSED ON 324PERISCOPE
NSN3110-00-990-8236
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 063978 · 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: 0.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIAL: STEEL OVERALL
ALIGNMENT TYPE: RIGID
OVERALL OUTSIDE DIAMETER: 1.1250 INCHES NOMINAL IN
STYLE DESIGNATOR: NON-SEPARABLE, OPEN END, DRAWN SHELL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.8750 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
MATERIALSTEEL OVERALL
ALIGNMENT TYPERIGID
OVERALL OUTSIDE DIAMETER1.1250 INCHES NOMINAL IN
OVERALL WIDTH0.5000 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, OPEN END, DRAWN SHELL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
AN665-34RInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-5683Interchangeable
interchangeable cross-reference
interchangeable
46P20344Interchangeable
interchangeable cross-reference
interchangeable
1637518Interchangeable
interchangeable cross-reference
interchangeable
12047Interchangeable
interchangeable cross-reference
interchangeable
17412Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 063978?
063978 is a BEARING,ROLLER,NEEDLE.
What parts can replace 063978?
There are 20 known substitutes for 063978: AN665-34R, MIL-DTL-5683, 46P20344 and 17 more. Substitute compatibility should be verified for your specific system.
Is 063978 still available?
063978 is currently cancelled.
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