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Technical Data Sheet
PartsTable / COMPONENT / 1A6770
1A6770 ✓ 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

FILTER ELEMENT,INTAKE AIR CLEANE. Key specifications include material: STEEL OVERALL, surface_finish: GROUND, special_features: CONCAVE RACEWAY,0.0600 IN. RADIUS ON OD CORNER IN, standard_tolerance_designation: RBEC NO.1.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-1360, 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
1A6770
NSN: 3110-00-159-1360
FSC: 3110
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialSTEEL OVERALL
surface_finishGROUND
special_featuresCONCAVE RACEWAY,0.0600 IN. RADIUS ON OD CORNER IN
standard_tolerance_designationRBEC NO.1
NSN3110-00-159-1360
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1A6770 · 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: RBEC NO.1
•
MATERIAL: STEEL OVERALL
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
MATERIALSTEEL OVERALL
SURFACE FINISHGROUND
SPECIAL FEATURESCONCAVE RACEWAY,0.0600 IN. RADIUS ON OD CORNER IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
708617Interchangeable
interchangeable cross-reference
interchangeable
B7985Interchangeable
interchangeable cross-reference
interchangeable
6613Interchangeable
interchangeable cross-reference
interchangeable
HY2863Interchangeable
interchangeable cross-reference
interchangeable
3804Interchangeable
interchangeable cross-reference
interchangeable
LM555DM-BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A6770?
1A6770 is a FILTER ELEMENT,INTAKE AIR CLEANE.
What parts can replace 1A6770?
There are 18 known substitutes for 1A6770: 708617, B7985, 6613 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A6770?
1A6770 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-159-1360. 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