PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3-70-99
3-70-99 ✓ Verified by PartsTable
Cellularline · 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

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: STEEL BODY, bore_type: STRAIGHT, port_style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED, bore_diameter: 1.500 INCHES NOMINAL IN, overall_width: 2.188 INCHES NOMINAL IN, overall_height: 3.688 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-554-3272, 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
3-70-99
NSN: 3110-00-554-3272
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialSTEEL BODY
bore_typeSTRAIGHT
port_styleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
bore_diameter1.500 INCHES NOMINAL IN
overall_width2.188 INCHES NOMINAL IN
overall_height3.688 INCHES NOMINAL IN
features_providedRUBBER BOOT
mounting_positionLEFT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg12.0 LOCATION NOT OTHERWISE SPECIFIED
port_thread_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
body_outside_diameter2.000 INCHES NOMINAL IN
NSN3110-00-554-3272
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3-70-99 · Cellularline ⚠ 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: 55.00 MILLIMETERS NOMINAL MM
•
RETAINER FABRICATION METHOD: PRESSED
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
OVERALL OUTSIDE DIAMETER: 90.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER55.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
OVERALL WIDTH18.00 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
OVERALL OUTSIDE DIAMETER90.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
FF-B-171/03J12D2EInterchangeable
interchangeable cross-reference
interchangeable
93L12Interchangeable
interchangeable cross-reference
interchangeable
104KSFFInterchangeable
interchangeable cross-reference
interchangeable
2010-411 ITEM 34SSInterchangeable
interchangeable cross-reference
interchangeable
A-A-59583Interchangeable
interchangeable cross-reference
interchangeable
771226Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-70-99?
3-70-99 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK manufactured by Cellularline.
What parts can replace 3-70-99?
There are 32 known substitutes for 3-70-99: FF-B-171/03J12D2E, 93L12, 104KSFF and 29 more. Substitute compatibility should be verified for your specific system.
Is 3-70-99 still available?
3-70-99 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026