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Technical Data Sheet
PartsTable / COMPONENT / 48-320
48-320 ✓ Verified by PartsTable
Esselte · 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 CUP,TAPERED ROLLER BEARING is a Esselte tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include body_style: STRAIGHT THRU, furnished_items: DIAL, special_features: VALVE SIZE 3.00 IN DIA,OVERALL LENGTH 6.75 IN MAX IN, first_end_connection_type: THREADED EXTERNAL PIPE, valve_discharge_flow_rate: 10.0 GALLONS PER MINUTE AND 55.0 GALLONS PER MINUTE, first_end_style_designator: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-101-1796, 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
48-320
NSN: 3110-00-101-1796
FSC: 3110
CAGE: 0LTL1 — NTN BEARING CORPORATION OF AMERICA (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
furnished_itemsDIAL
special_featuresVALVE SIZE 3.00 IN DIA,OVERALL LENGTH 6.75 IN MAX IN
end_connection_quantity2
first_end_connection_typeTHREADED EXTERNAL PIPE
valve_discharge_flow_rate10.0 GALLONS PER MINUTE AND 55.0 GALLONS PER MINUTE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
thread_size_and_series/type_designator3/8 NPT FIRST END
NSN3110-00-101-1796
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 48-320 · Esselte ⚠ 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
•
MATERIAL: STEEL OVERALL
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 7.5000 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
MATERIALSTEEL OVERALL
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER7.5000 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH1.3125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
48620Interchangeable
interchangeable cross-reference
interchangeable
9967Interchangeable
interchangeable cross-reference
interchangeable
48A-1/4-320Interchangeable
interchangeable cross-reference
interchangeable
48-320Interchangeable
interchangeable cross-reference
interchangeable
CRD13AInterchangeable
interchangeable cross-reference
interchangeable
10936995Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48-320?
48-320 is a CUP,TAPERED ROLLER BEARING manufactured by Esselte.
What parts can replace 48-320?
There are 19 known substitutes for 48-320: 48620, 9967, 48A-1/4-320 and 16 more. Substitute compatibility should be verified for your specific system.
Is 48-320 still available?
48-320 is currently cancelled.
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Last verified: July 2026