PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

921301Bearing,roller,tapered

Rexnord Industries Llc · NSN 3110-00-100-4226 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-100-4226 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-4226. Primary manufacturer part number: 921301.
Features
  • Bearing,roller,tapered — FSC 3110
  • Cup Width: 1.2500 INCHES NOMINAL IN
  • Overall Outside Diameter: 4.7500 INCHES NOMINAL IN
  • Cone Width: 1.6250 INCHES NOMINAL IN
  • Cone Corner Radius: 0.1400 INCHES NOMINAL IN
  • Standout Width: 0.3750 INCHES NOMINAL IN
  • Standard Tolerance Designation: AFBMA CLASS 2
  • Backface Corner Radius: 0.1250 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4320 or Steel Comp 4620 or Steel Comp 8620 or Steel Comp E52100 Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4226, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rexnord Industries Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-100-4226
Primary Part Number921301
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusCANCELLED
Cup Width1.2500 INCHES NOMINAL IN
Overall Outside Diameter4.7500 INCHES NOMINAL IN
Cone Width1.6250 INCHES NOMINAL IN
Cone Corner Radius0.1400 INCHES NOMINAL IN
Standout Width0.3750 INCHES NOMINAL IN
Standard Tolerance DesignationAFBMA CLASS 2
Backface Corner Radius0.1250 INCHES NOMINAL IN
MaterialSTEEL COMP 4320 OR STEEL COMP 4620 OR STEEL COMP 8620 OR STEEL COMP E52100 OVERALL
Bore Diameter2.2500 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-0296363 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Bearings Incorporated Div West Trenton Division
3110-00-100-0298258778 INTERCHANGEABLE
Cup,tapered Roller Bearing
Acf Industries Inc
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
3110-00-100-0664644 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-100-0706 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-07262507 INTERCHANGEABLE
Cone and Rollers,tapered Roller
L & L Boiler Maintenance Inc
3110-00-100-24226204YC78 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-100-550274500-74850 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-100-583178250-78551 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3110-00-101-6493 INTERCHANGEABLE
Bearing,roller,tapered
Cross-Reference Index
Part NumberManufacturer
921301 Rexnord Industries Llc (USA)
623-612 Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA)
FFB187B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS19081-98 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
623-612 The Timken Corporation (USA)
AA59649-428 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
3110-00-100-0296INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
363
3110-00-100-0298INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
258778
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
3110-00-100-0664INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
644
3110-00-100-0706INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-0726INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2507
3110-00-100-2422INTERCHANGEABLE
BEARING,BALL,ANNULAR
6204YC78
3110-00-100-5502INTERCHANGEABLE
BEARING,ROLLER,TAPERED
74500-74850
3110-00-100-5831INTERCHANGEABLE
BEARING,ROLLER,TAPERED
78250-78551
3110-00-101-6493INTERCHANGEABLE
BEARING,ROLLER,TAPERED
3110-00-142-4347INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
355X
3110-00-142-4377INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
672D

Frequently Asked Questions

What is NSN 3110-00-100-4226?

NSN 3110-00-100-4226 is a Bearing,roller,tapered, manufactured by Rexnord Industries Llc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-100-4226?

NSN 3110-00-100-4226 has 7 cross-referenced part numbers: 921301 (Rexnord Industries Llc), 623-612 (Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc), FFB187B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59649 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS19081-98 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 3110-00-100-4226?

There are 12 known substitutes for 3110-00-100-4226: 3110-00-100-0296, 3110-00-100-0298, 3110-00-100-0495 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 921301?

Key specifications for 921301: Cup Width: 1.2500 INCHES NOMINAL IN; Overall Outside Diameter: 4.7500 INCHES NOMINAL IN; Cone Width: 1.6250 INCHES NOMINAL IN; Cone Corner Radius: 0.1400 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-100-4226 still in active supply?

NSN 3110-00-100-4226 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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