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Tapered Roller Bearing NSN 3110-01-399-1251

Item Description

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes bearing, roller, thrust.

NSN 3110-01-399-1251 NSN: 3110-01-399-1251

Features and Characteristics

Overall Width
1.4375 inches
Bore Diameter
2.4375 inches
Overall Outside Diameter
4.4375 inches
Backface Corner Radius
0.1300 inches
Cone Corner Radius
0.0300 inches
Cone Width
1.4375 inches
Cup Width
0.9375 inches
Standard Tolerance Designation
Afbma class 2
Material
Steel
Style Designator
Straight bore, normal angle
FSC
3110 Unmounted Antifriction Bearings
NIIN
013991251
NSN
3110013991251

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12448545
Cage Code:
19207
Status:
A
MSDS:
Part Number:
RCSK-14776
Cage Code:
34623
Status:
A
MSDS:
Part Number:
392E-3920C
Cage Code:
60038
Status:
A
MSDS:
Part Number:
A-50086
Cage Code:
60038
Status:
A
MSDS:
Part Number:
XC1975DB-XC2318CJ
Cage Code:
60038
Status:
A
MSDS:
Part Number:
XC2318C3-XC1975DB
Cage Code:
60038
Status:
A
MSDS:
Part Number:
RSCK-14776
Cage Code:
34623
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482200030
  • NAICS: 332991
  • SITC: 74620
  • Description: Tapered roller bearings, cup and cone assemblies entered as a set, wheel hub units, other than flanged
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-01-399-1251
What are the manufacturers of nsn 3110013991251?
Does this nsn 3110013991251 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110013991251
A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. excludes bearing, roller, thrust.
Does nsn 3110013991251 contain any precious metals?
No precious metal content.
Does nsn 3110013991251 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110013991251?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00021
FIIG:
A044A0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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