BP5

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BP5
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-278-6704
Item Name Code
00046
Assigment Date
01/01/1963 (63 years ago)

1.2495 inches minimum and 1.2500 inches maximum overall outside diameter, 2 seal quantity, 0.3750 inches nominal outer ring width, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 0.5580 inches nominal inner ring width

Product Characteristics

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

Bore Diameter
0.3120 inches minimum and 0.3125 inches maximum
Overall Outside Diameter
1.2495 inches minimum and 1.2500 inches maximum
Outer Ring Width
0.3750 inches nominal
Inner Ring Width
0.5580 inches nominal
Seal Quantity
2
Shield Quantity
2
Bearing Seal Type
contact
Special Features
steel retaining ring;lubricant hole and grove in outer ring od; 10 degreealignment in either direction
Lubrication Material
grease
Lubrication Material Document And Classification
mil-g-23827 mil spec single material response
Material
rubber butadiene-acrylonitrile class nbr seal
Material
steel comp 430 shield
Material
steel comp e52100 inner ring
Material
steel comp e52100 outer ring
Material
steel comp e52100 roller
Material Document And Classification
mil-s-7420 mil spec single material response inner ring
Material Document And Classification
mil-s-7420 mil spec single material response outer ring
Material Document And Classification
mil-s-7420 mil spec single material response roller
Material Document And Classification
qq-s-763 fed spec single material response shield
Surface Treatment
cadmium all external/exposed metal surfaces
Style Designator
concave roller, double closure, self aligning

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
BP5 Airframe Roller Bearing
SA5-20A Airframe Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-278-6704?
The FSCG of the NSN 3110-00-278-6704 is 3110
Does the NSN 3110-00-278-6704 have a Schedule B code assigned?
Yes, the Schedule B code is 8482800080
Does NSN 3110-00-278-6704 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 3110-00-278-6704 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-278-6704 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 3110-00-278-6704 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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