PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10772Roller,bearing

Komatsu America Corporation · NSN 3110-00-184-2120 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-184-2120 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-184-2120. Primary manufacturer part number: 10772.
Features
  • Roller,bearing — FSC 3110
  • Overall Outside Diameter: 4.5000 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Roller,bearing, cataloged under National Stock Number 3110-00-184-2120, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-184-2120
Primary Part Number10772
Item NameRoller,bearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Overall Outside Diameter4.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-151-91371-4BALLGRADE3 INTERCHANGEABLE
Ball,bearing
Virginia Industries, Inc. Div Hartford Technologies, Inc.
7050-00-451-4451 INTERCHANGEABLE
Block,mounting
3120-00-819-553210056040 INTERCHANGEABLE
Bearing,sleeve
Applied Industrial Technologies -- Pa Llc
2990-00-983-28022228171 INTERCHANGEABLE
Pipe,exhaust
Chrysler Realty Company Llc Dba Daimler Chrysler
4320-01-122-3478944963-10PH INTERCHANGEABLE
Impeller,pump,centrifugal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4820-01-281-14871077-2 INTERCHANGEABLE
Guide,valve Stem
Tescom Corp Dba Tescom Div Tescom
5310-01-413-075410772 INTERCHANGEABLE
Washer,lock
Orscheln Products L.l.c.
5310-01-482-914510772 INTERCHANGEABLE
Nut,self-Locking,hexagon
Circor Aerospace Inc
7920-01-697-385010772 INTERCHANGEABLE
Cloth,cleaning
M-Squared Innovations & Insights Llc
Cross-Reference Index
Part NumberManufacturer
WRA215 General Motors Corp Delco Moraine Ndh Div (USA)
R10772 Komatsu America Corporation (USA)
10772 PRIMARY Komatsu America Corporation (USA)
WRA215 General Motors Corp (USA)
WRA215 General Motors Llc Dba General Motors Llc (USA)
Related Parts
3110-00-151-9137INTERCHANGEABLE
BALL,BEARING
1-4BALLGRADE3
7050-00-451-4451INTERCHANGEABLE
BLOCK,MOUNTING
3120-00-819-5532INTERCHANGEABLE
BEARING,SLEEVE
10056040
2990-00-983-2802INTERCHANGEABLE
PIPE,EXHAUST
2228171
4320-01-122-3478INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
944963-10PH
4820-01-281-1487INTERCHANGEABLE
GUIDE,VALVE STEM
1077-2
5310-01-413-0754INTERCHANGEABLE
WASHER,LOCK
10772
5310-01-482-9145INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10772
7920-01-697-3850INTERCHANGEABLE
CLOTH,CLEANING
10772

Frequently Asked Questions

What is NSN 3110-00-184-2120?

NSN 3110-00-184-2120 is a Roller,bearing, manufactured by Komatsu America Corporation, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-184-2120?

NSN 3110-00-184-2120 has 5 cross-referenced part numbers: WRA215 (General Motors Corp Delco Moraine Ndh Div), R10772 (Komatsu America Corporation), 10772 (Komatsu America Corporation), WRA215 (General Motors Corp), WRA215 (General Motors Llc Dba General Motors Llc).

What NSN replaces 3110-00-184-2120?

There are 9 known substitutes for 3110-00-184-2120: 3110-00-151-9137, 7050-00-451-4451, 3120-00-819-5532 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10772?

Key specifications for 10772: Overall Outside Diameter: 4.5000 INCHES NOMINAL IN; Overall Length: 2.6250 INCHES NOMINAL IN; Special Features: MAJOR COMPONENTS: CAGE AND ROLLERS; SHAFT DIAMETER: 3.5000 INCHES; DESIGN FORM: SINGLE ROW; ROLLER TYPE: SPIRAL; MEETS AFBMA JOURNAL BEARING TOLERANCES IN. 3 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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