B28-9L

Comprehensive specifications and application details for: B28-9L Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: B28-9L. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B28-9L
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-085-6450
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1960

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

1.7495 inches minimum and 1.7500 inches maximum bore diameter, 1.5260 inches minimum and 1.5310 inches maximum inner member width, groove internal surfaces lubrication feature, 57.0 rockwell c minimum and 63.0 rockwell c maximum inner member hardness rating, 60.0 rockwell c minimum and 63.0 rockwell c maximum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-085-6450 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
1.7495 inches minimum and 1.7500 inches maximum
Hardness Rating
57.0 rockwell c minimum and 63.0 rockwell c maximum inner member
Hardness Rating
60.0 rockwell c minimum and 63.0 rockwell c maximum outer race member
Inner Member Width
1.5260 inches minimum and 1.5310 inches maximum
Lubrication Feature
groove internal surfaces
Material
lubricant lubrication
Material
steel comp 1025 overall
Outer Member Outside Diameter
2.8119 inches minimum and 2.8125 inches maximum
Outer Member Width
1.3070 inches minimum and 1.3120 inches maximum
Special Features
outer member fractured in two places with snap ring,dry film molydenum disulfide on entire bearing,gun mounted diametrical clearance 0.0030 in. to 0.0060 in. t.i.r.
Static Radial Load Rating
305000 pounds
Style Designator
without insert or liner
Surface Treatment
phosphate overall

Replaces

The NSN 3120-00-085-6450 is used in place of the following discontinued or alternate items:

NSN Name Date
3120-00-232-0567 No Name Available 01/09/1972
3120-00-232-0568 No Name Available 01/09/1972

Frequently Asked Questions

Find quick answers to common questions about bearing: B28-9L. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-085-6450?
The FSCG of the NSN 3120-00-085-6450 is 3120
Does the NSN 3120-00-085-6450 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-00-085-6450 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 3120-00-085-6450 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-00-085-6450 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 3120-00-085-6450 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Fri, Jan 1, 1960

Price & Availability

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