FF-B-187A TYPE 751

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FF-B-187A TYPE 751
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-100-5489
Item Name Code
00021
Assigment Date
01/01/1963 (63 years ago)

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.

2.3575 inches nominal bore diameter, 1.7500 inches nominal overall width, 5.0000 inches nominal overall outside diameter, 0.1250 inches nominal backface corner radius, 0.3750 inches nominal standout 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
1.7500 inches nominal
Bore Diameter
2.3575 inches nominal
Overall Outside Diameter
5.0000 inches nominal
Backface Corner Radius
0.1250 inches nominal
Standout Width
0.3750 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
1.7500 inches nominal
Cup Width
1.3750 inches nominal
Retainer Fabrication Method
pressed
Standard Tolerance Designation
afbma class 2
Material
steel overall
Style Designator
straight bore, normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-100-3643 No Name Available 07/01/2001

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
65235-655 Tapered Roller Bearing
65235-65500 Tapered Roller Bearing
DC83085A17PC25 Tapered Roller Bearing
FF-B-187A TYPE 751 Tapered Roller Bearing
MB2027PC25 Tapered Roller Bearing
MB2126-1PC25 Tapered Roller Bearing
MB2126PC25 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-100-5489?
The FSCG of the NSN 3110-00-100-5489 is 3110
Does the NSN 3110-00-100-5489 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-100-5489 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3110-00-100-5489 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-100-5489 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 3110-00-100-5489 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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