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Technical Data Sheet
PartsTable / COMPONENT / 49211
49211 ✓ Verified by PartsTable
Zebra · 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

170PAX4 Upper Ribbon Roller Shaft RH & LH. Key specifications include material: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, housing_bore_diameter: 2.250 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.367 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0655, 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
49211
NSN: 3110-00-277-0655
FSC: 3110
CAGE: 23926 — KOMATSU AMERICA CORPORATION (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
housing_bore_diameter2.250 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.367 INCHES NOMINAL IN
NSN3110-00-277-0655
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 49211 · Zebra ⚠ 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: AFBMA CLASS 2
•
CONE WIDTH: 1.6875 INCHES NOMINAL IN
•
BORE DIAMETER: 3.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1870 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
SPECIAL FEATURESDUTY CLASS HM SERIES
CONE WIDTH1.6875 INCHES NOMINAL IN
BORE DIAMETER3.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1870 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
54755-31PC238Interchangeable
interchangeable cross-reference
interchangeable
50025-29PC156Interchangeable
interchangeable cross-reference
interchangeable
49211Interchangeable
interchangeable cross-reference
interchangeable
225112Interchangeable
interchangeable cross-reference
interchangeable
60456Interchangeable
interchangeable cross-reference
interchangeable
L165Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 49211?
49211 is a CONE AND ROLLERS,TAPERED ROLLER manufactured by Zebra.
What parts can replace 49211?
There are 13 known substitutes for 49211: 54755-31PC238, 50025-29PC156, 49211 and 10 more. Substitute compatibility should be verified for your specific system.
Is 49211 still available?
49211 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