PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BT2620Cup,tapered Roller Bearing

Federal-Mogul Corp Government Sales Dept · NSN 3110-00-100-0357 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-0357 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0357. Primary manufacturer part number: BT2620.
Features
  • Cup,tapered Roller Bearing — FSC 3110
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Style Designator: NORMAL ANGLE
  • Material: STEEL OVERALL
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
  • Outside Diameter: 2.4843 INCHES NOMINAL IN
  • 22 verified cross-references
  • Primary manufacturer: Federal-Mogul Corp Government Sales Dept
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 3110-00-100-0357, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-100-0357
Primary Part NumberBT2620
Item NameCup,tapered Roller Bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusACTIVE
Standard Tolerance DesignationAFBMA CLASS 2
Style DesignatorNORMAL ANGLE
MaterialSTEEL OVERALL
Backface Corner Radius0.1250 INCHES NOMINAL IN
Outside Diameter2.4843 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-010-3413103413 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
3010-01-606-6054706743 INTERCHANGEABLE
Cover,coupling
Rexnord Industries Llc
Cross-Reference Index
Part NumberManufacturer
2620 Tyson Bearing Co Div Skf Industries Inc (USA)
20646D Navistar International Corporation Dba Navistar (USA)
20646D Mack Trucks Inc (USA)
K2620 Skf France (FRA)
2620 Nsk Corp Bearing Div (USA)
MA1607 Itt Goulds Pumps, Inc. (USA)
2620 The Timken Company (FRA)
2620 The Timken Corporation (USA)
20646DA International Harvester Co Agricultural Equipment Div (USA)
20646DA Navistar International Corporation Dba Navistar (USA)
121482 General Motors Corp (USA)
10101V Komatsu American Intl Co (USA)
706743 Army Weapons Command Attn Amswe-Ree-S (USA)
10101V Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
20646DA Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
10101V Navistar International Corporation Dba Navistar (USA)
MA1607 Allis-Chalmers Corp (USA)
BT2620 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
2620 Rbc Bearings Incorporated Div West Trenton Division (USA)
FF-B-187 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5315-00-010-3413INTERCHANGEABLE
PIN,COTTER
103413
3010-01-606-6054INTERCHANGEABLE
COVER,COUPLING
706743

Frequently Asked Questions

What is NSN 3110-00-100-0357?

NSN 3110-00-100-0357 is a Cup,tapered Roller Bearing, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-100-0357?

NSN 3110-00-100-0357 has 22 cross-referenced part numbers: 2620 (Tyson Bearing Co Div Skf Industries Inc), 20646D (Navistar International Corporation Dba Navistar), 20646D (Mack Trucks Inc), K2620 (Skf France), 2620 (Nsk Corp Bearing Div) and 17 more.

What NSN replaces 3110-00-100-0357?

There are 2 known substitutes for 3110-00-100-0357: 5315-00-010-3413, 3010-01-606-6054. Verify interchangeability with system specifications before substitution.

What are the specifications of BT2620?

Key specifications for BT2620: Standard Tolerance Designation: AFBMA CLASS 2; Overall Width: 0.7500 INCHES NOMINAL IN; Style Designator: NORMAL ANGLE; Material: STEEL OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

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