PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS210-20Roller,bearing

Regal Beloit America, Inc. Dba Rollway Bearing · NSN 3110-00-184-2122 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-184-2122 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-184-2122. Primary manufacturer part number: WS210-20.
Features
  • Roller,bearing — FSC 3110
  • Overall Outside Diameter: 3.1250 INCHES NOMINAL IN
  • 10 verified cross-references
  • Primary manufacturer: Regal Beloit America, Inc. Dba Rollway Bearing
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Roller,bearing, cataloged under National Stock Number 3110-00-184-2122, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Regal Beloit America, Inc. Dba Rollway Bearing. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3110-00-184-2122
Primary Part NumberWS210-20
Item NameRoller,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerRegal Beloit America, Inc. Dba Rollway Bearing
StatusCANCELLED
Overall Outside Diameter3.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-139-4360 INTERCHANGEABLE
Tube,extension,drain
2920-00-777-30186533303 INTERCHANGEABLE
Magneto Assembly
U S Army Tank Automotive Command Amsta-Im-Mm
5331-01-300-879806-1-085 INTERCHANGEABLE
O-Ring
Spectrum Pressurestat Co Inc
Cross-Reference Index
Part NumberManufacturer
RA99210 General Motors Corp Delco Moraine Ndh Div (USA)
0061085-7 New Holland Construction (USA)
N3657 Scott Huber Essick a Co of Figgie International Inc (USA)
WS210-20 PRIMARY Regal Beloit America, Inc. Dba Rollway Bearing (USA)
RA99210 General Motors Corp (USA)
RA99210 General Motors Llc Dba General Motors Llc (USA)
0210717 Allis-Chalmers Corp (USA)
210717 Allis-Chalmers Corp (USA)
061085 New Holland Construction (USA)
0061085 New Holland Construction (USA)
Related Parts
4730-00-139-4360INTERCHANGEABLE
TUBE,EXTENSION,DRAIN
2920-00-777-3018INTERCHANGEABLE
MAGNETO ASSEMBLY
6533303
5331-01-300-8798INTERCHANGEABLE
O-RING
06-1-085

Frequently Asked Questions

What is NSN 3110-00-184-2122?

NSN 3110-00-184-2122 is a Roller,bearing, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3110 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3110-00-184-2122?

NSN 3110-00-184-2122 has 10 cross-referenced part numbers: RA99210 (General Motors Corp Delco Moraine Ndh Div), 0061085-7 (New Holland Construction), N3657 (Scott Huber Essick a Co of Figgie International Inc), WS210-20 (Regal Beloit America, Inc. Dba Rollway Bearing), RA99210 (General Motors Corp) and 5 more.

What NSN replaces 3110-00-184-2122?

There are 3 known substitutes for 3110-00-184-2122: 4730-00-139-4360, 2920-00-777-3018, 5331-01-300-8798. Verify interchangeability with system specifications before substitution.

What are the specifications of WS210-20?

Key specifications for WS210-20: Special Features: ROLLER TYPE: SOLID; Overall Outside Diameter: 3.1250 INCHES NOMINAL IN; Overall Length: 1.2500 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3110-00-184-2122 still in active supply?

NSN 3110-00-184-2122 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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