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Needle Roller Bearing NSN 3110-01-255-5040

Item Description

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

NSN 3110-01-255-5040 NSN: 3110-01-255-5040

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Features and Characteristics

Bore Diameter
0.3125 inches
Overall Outside Diameter
1.0000 inches
Lubrication Material
Grease
Outer Ring Width
0.6250 inches
Inner Ring Width
0.6875 inches
Crown Radius
12.0000 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Features Provided
Lubrication groove and lubrication hole
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Special Features
Oil groove in outer ring optional
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Steel comp 4615 roller or steel comp 4617 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e50100 roller or steel comp e51100 roller or steel comp e52100 roller
Surface Treatment
Cadmium inner ring or oxide inner ring
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response end plate exposed surfaces
Style Designator
Track roller, non-separable
FSC
3110 Unmounted Antifriction Bearings
NIIN
012555040
NSN
3110012555040

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS21442
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS39901
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21442-161
Cage Code:
81343
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482400000
  • NAICS: 332991
  • SITC: 74640
  • Description: Needle roller bearings
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-01-255-5040
What are the manufacturers of nsn 3110012555040?
Does this nsn 3110012555040 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110012555040
A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.
Does nsn 3110012555040 contain any precious metals?
No precious metal content.
Does nsn 3110012555040 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110012555040?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00051
FIIG:
A044A0
App. Key:
M
Cond. Code:
1
Status:
A

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