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Duplex Ball Bearing NSN 3110-01-030-4939

Item Description

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

NSN 3110-01-030-4939 NSN: 3110-01-030-4939

Features and Characteristics

Overall Width
Between 0.5570 inches and 0.5620 inches
Bore Diameter
Between 0.8748 inches and 0.8750 inches
Overall Outside Diameter
Between 1.3121 inches and 1.3125 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Machined
Shield Quantity
2
Load Direction
Radial
Internal Clearance
0.0003 inches radial and 0.0008 inches radial
Standard Tolerance Designation
Abec no.7
Bearing Preload Rating
4.0 pounds
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Stainless steel shield
Material Specification
Qq-s-763 federal specification single material response outer ring
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
FSC
3110 Unmounted Antifriction Bearings
NIIN
010304939
NSN
3110010304939

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SR540PTC3-1-ABEC7
Cage Code:
83086
Status:
A
MSDS:
Part Number:
3TCRS14-21UDB1704
Cage Code:
78118
Status:
A
MSDS:
Part Number:
AMVW540KDCRVDBFS171
Cage Code:
21335
Status:
A
MSDS:
Part Number:
901815
Cage Code:
82577
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482105068
  • NAICS: 332991
  • SITC: 74610
  • Description: Ball bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-01-030-4939
What are the manufacturers of nsn 3110010304939?
Does this nsn 3110010304939 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110010304939
Two single row annular ball bearings selected dimensionally to be a matched pair or set. the ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. may include a single row angular contact bearing with faces specially ground for duplex mounting.
Does nsn 3110010304939 contain any precious metals?
No precious metal content.
Does nsn 3110010304939 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110010304939?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
App. Key:
E
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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