PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48620Cup,tapered Roller Bearing

The Timken Corporation · NSN 3110-00-278-6802 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-278-6802 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-278-6802. Primary manufacturer part number: 48620.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Outside Diameter: 7.8750 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • 8 verified cross-references
  • Primary manufacturer: The Timken Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-278-6802, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-278-6802
Primary Part Number48620
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerThe Timken Corporation
StatusCANCELLED
Backface Corner Radius0.1250 INCHES NOMINAL IN
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Outside Diameter7.8750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5120-00-112-94625120-00-112-9462 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5310-00-222-72052F9864 INTERCHANGEABLE
Nut,plain,hexagon
Caterpillar Inc Div Caterpillar Defense
6650-01-118-525648620 INTERCHANGEABLE
Borescope
L3 Technologies, Inc. Div L3 Keo
4730-01-202-962048625 INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
6680-01-399-245704045-65 INTERCHANGEABLE
Transmitter,liquid Quantity
Maxima Technologies & Systems Llc
5133-01-460-237140656 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
742264 Dana Off Highway Products, Llc (USA)
SG4565 American Standard Inc Westinghouse Air Brake Co Div (USA)
48620 PRIMARY The Timken Corporation (USA)
3110PL0729415 Jednolity Indeks Materialowy - Uniform Material Index (POL)
SG4565 Marathon Le Tourneau Co (USA)
742264 Clark Equipment Co (USA)
8144242 Us Army Aviation and Missile Command (USA)
040-4565 Marathon Le Tourneau Co (USA)
Related Parts
5120-00-112-9462INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9462
5310-00-222-7205INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2F9864
6650-01-118-5256INTERCHANGEABLE
BORESCOPE
48620
4730-01-202-9620INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
48625
6680-01-399-2457INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
04045-65
5133-01-460-2371INTERCHANGEABLE
DRILL,TWIST
40656

Frequently Asked Questions

What is NSN 3110-00-278-6802?

NSN 3110-00-278-6802 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-278-6802?

NSN 3110-00-278-6802 has 8 cross-referenced part numbers: 742264 (Dana Off Highway Products, Llc), SG4565 (American Standard Inc Westinghouse Air Brake Co Div), 48620 (The Timken Corporation), 3110PL0729415 (Jednolity Indeks Materialowy - Uniform Material Index), SG4565 (Marathon Le Tourneau Co) and 3 more.

What NSN replaces 3110-00-278-6802?

There are 6 known substitutes for 3110-00-278-6802: 5120-00-112-9462, 5310-00-222-7205, 6650-01-118-5256 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 48620?

Key specifications for 48620: Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL; Outside Diameter: 7.8750 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-278-6802 still in active supply?

NSN 3110-00-278-6802 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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