PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56-30221-29Bearing,roller,tapered

Electra Motors Operation Power Transmission Div Dresser Industries Inc · NSN 3110-00-163-7713 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-163-7713 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-163-7713. Primary manufacturer part number: 56-30221-29.
Features
  • Bearing,roller,tapered — FSC 3110
  • Backface Corner Radius: 0.1400 INCHES NOMINAL IN
  • Cup Width: 1.2795 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: STRAIGHT BORE, NORMAL ANGLE
  • Overall Outside Diameter: 5.7864 INCHES MINIMUM AND 5.7874 INCHES MAXIMUM IN
  • Cone Corner Radius: 0.2800 INCHES NOMINAL IN
  • Retainer Fabrication Method: STAMPED
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-163-7713, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Electra Motors Operation Power Transmission Div Dresser Industries Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-163-7713
Primary Part Number56-30221-29
Item NameBearing,roller,tapered
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerElectra Motors Operation Power Transmission Div Dresser Industries Inc
StatusCANCELLED
Backface Corner Radius0.1400 INCHES NOMINAL IN
Cup Width1.2795 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
Overall Outside Diameter5.7864 INCHES MINIMUM AND 5.7874 INCHES MAXIMUM IN
Cone Corner Radius0.2800 INCHES NOMINAL IN
Retainer Fabrication MethodSTAMPED
Standout Width0.2993 INCHES NOMINAL IN
Style DesignatorSTRAIGHT BORE, NORMAL ANGLE
MaterialSTEEL OVERALL
Bore Diameter3.5423 INCHES MINIMUM AND 3.5433 INCHES MAXIMUM IN
Cone Width1.5748 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5315-00-083-43563-1262 INTERCHANGEABLE
Key,steering Lock
Tactair Fluid Controls Inc Western Hydraulics Div
4330-00-218-546031262 INTERCHANGEABLE
Filter
Arvinmeritor Inc
5960-00-249-4973120F5-23D INTERCHANGEABLE
Retainer,electron Tube
Interplex Nascal Inc
3455-00-260-332419835 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
6640-00-501-549631262 INTERCHANGEABLE
Oven,laboratory
Precision Scientific Petroleum Instruments Co
3110-00-618-0248 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5940-00-941-245531262 INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
5306-01-288-505731262 INTERCHANGEABLE
Bolt,machine
Moog Inc. Dba Ampac-Isp Corp
3040-01-446-3689 INTERCHANGEABLE
Lever,manual Control
Cross-Reference Index
Part NumberManufacturer
56-30221-29 Electra Motors Operation Power Transmission Div Dresser Industries Inc (USA)
11602374-20 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
HM218248HM218210 Taper Roller Bearings Inc Dba Taper Roller Bearings Inc (USA)
AA59649-652 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
FF-B-187/1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
HM218248HM218210 Rbc Bearings Incorporated Div West Trenton Division (USA)
FFB187/01-652 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
HM218248HM218210 Ntn Bearing Corporation of America (USA)
A-A-59649 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
HM218248HM218210 The Timken Corporation (USA)
8236-SET414 Volvo Group Government Sales Oceani Oceania Volvo Group Government Sales (AUS)
MS19081-283 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
31-26-2 Dexter Axle Company Llc (USA)
DR-1067 Nabors Trailers Inc Sub of Steego Corp (USA)
3110001637713 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5315-00-083-4356INTERCHANGEABLE
KEY,STEERING LOCK
3-1262
4330-00-218-5460INTERCHANGEABLE
FILTER
31262
5960-00-249-4973INTERCHANGEABLE
RETAINER,ELECTRON TUBE
120F5-23D
3455-00-260-3324INTERCHANGEABLE
REAMER,MACHINE
19835
6640-00-501-5496INTERCHANGEABLE
OVEN,LABORATORY
31262
3110-00-618-0248INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5940-00-941-2455INTERCHANGEABLE
SPLICE,CONDUCTOR
31262
5306-01-288-5057INTERCHANGEABLE
BOLT,MACHINE
31262
3040-01-446-3689INTERCHANGEABLE
LEVER,MANUAL CONTROL

Frequently Asked Questions

What is NSN 3110-00-163-7713?

NSN 3110-00-163-7713 is a Bearing,roller,tapered, manufactured by Electra Motors Operation Power Transmission Div Dresser Industries Inc, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-163-7713?

NSN 3110-00-163-7713 has 15 cross-referenced part numbers: 56-30221-29 (Electra Motors Operation Power Transmission Div Dresser Industries Inc), 11602374-20 (U S Army Tank Automotive Command Amsta-Im-Mm), HM218248HM218210 (Taper Roller Bearings Inc Dba Taper Roller Bearings Inc), AA59649-652 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), FF-B-187/1 (Federal Specifications Promulgated by General Services Administration Washington DC) and 10 more.

What NSN replaces 3110-00-163-7713?

There are 9 known substitutes for 3110-00-163-7713: 5315-00-083-4356, 4330-00-218-5460, 5960-00-249-4973 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56-30221-29?

Key specifications for 56-30221-29: Backface Corner Radius: 0.1400 INCHES NOMINAL IN; Cup Width: 1.2795 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: STRAIGHT BORE, NORMAL ANGLE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-163-7713 still in active supply?

NSN 3110-00-163-7713 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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