11147

View detailed technical data, stock status, and sourcing information for: 11147

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11147
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-01-281-3431
Item Name Code
00014
Assigment Date
06/22/1988 (38 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

55.8190 inches minimum and 55.8330 inches maximum overall outside diameter, 2 seal quantity, 45.0000 inches nominal bore diameter, ground surface finish, 2.3450 inches minimum and 2.3750 inches maximum overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width
2.3450 inches minimum and 2.3750 inches maximum
Bore Diameter
45.0000 inches nominal
Overall Outside Diameter
55.8190 inches minimum and 55.8330 inches maximum
Surface Finish
ground
Seal Quantity
2
Bearing Seal Type
labyrinth
Alignment Type
rigid
Load Direction
angular
Bore Shape
straight
Features Provided
external lubrication fitting
Contact Angle
30.0 degrees nominal
Special Features
inner ring has 50 holes eql spaced; outer ring has 50 holes eql spaced
Lubrication Material
grease
Lubrication Material Document And Classification
mil-g-81322 mil spec single material response
Material
rubber seal
Material
steel or plastic polyamide (nylon) spacer
Material
steel comp 4150 inner ring
Material
steel comp 4150 outer ring
Material
steel comp e52100 ball
Material Document And Classification
aisi assn std single material response ball
Material Document And Classification
aisi assn std single material response inner ring
Material Document And Classification
aisi assn std single material response outer ring
Material Document And Classification
astm d2000 assn std single material response seal

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
10252071-1 Annular Ball Bearing
11147 Annular Ball Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-281-3431?
The FSCG of the NSN 3110-01-281-3431 is 3110
Does the NSN 3110-01-281-3431 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-01-281-3431 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 3110-01-281-3431 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-01-281-3431 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3110-01-281-3431 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Wed, Jun 22, 1988

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