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Technical Data Sheet
PartsTable / COMPONENT / M881
M881 ✓ 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: NHA 4920-00-489-7119,E/I F-111 SUPPORT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-7944, 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
M881
NSN: 3110-00-108-7944
FSC: 3110
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
end_item_identificationNHA 4920-00-489-7119,E/I F-111 SUPPORT
general_characteristics_item_descriptionTILTING TYPE W/TELESCOPE RETAINERCLIPS,WEIGHT 20.000 LB,BOTTOM OF BASE TO CENTERLINE OF 2.250 TELESCOPE IS APPROX 5.780 IN.,2 VEES OF BRONZE ARE SPACED ON 9.500 IN. CENTERS LBS
NSN3110-00-108-7944
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M881 · 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
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 0.6875 INCHES NOMINAL IN
•
ALIGNMENT TYPE: RIGID
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
•
STYLE DESIGNATOR: NON-SEPARABLE, CLOSED END, DRAWN SHELL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
OVERALL OUTSIDE DIAMETER0.6875 INCHES NOMINAL IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESEXTRA CAPACITY OUTER RACE
BORE DIAMETER0.5000 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS
OVERALL WIDTH0.5000 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE, CLOSED END, DRAWN SHELL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
148426Interchangeable
interchangeable cross-reference
interchangeable
148493Interchangeable
interchangeable cross-reference
interchangeable
SL-700-7Interchangeable
interchangeable cross-reference
interchangeable
M881Interchangeable
interchangeable cross-reference
interchangeable
SL715-7Interchangeable
interchangeable cross-reference
interchangeable
173536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M881?
M881 is a BEARING,ROLLER,NEEDLE.
What parts can replace M881?
There are 15 known substitutes for M881: 148426, 148493, SL-700-7 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M881?
M881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-108-7944. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026