BSSR-8557EC2

Comprehensive specifications and application details for: BSSR-8557EC2 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: BSSR-8557EC2. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
BSSR-8557EC2
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-211-5096
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
06/27/1985

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.

28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating, 0.4995 inches minimum and 0.5000 inches maximum bore diameter, 55.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating, 0.5570 inches minimum and 0.5620 inches maximum inner member width, groove and perforation outer race member lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-211-5096 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4995 inches minimum and 0.5000 inches maximum
Hardness Rating
55.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Inner Member Width
0.5570 inches minimum and 0.5620 inches maximum
Lubrication Feature
groove and perforation outer race member
Material Document And Classification
ams 5643 assn std single material response outer race member
Material Document And Classification
bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division mfr ref single material response lubrication
Material Document And Classification
qq-s-763 fed spec single material response inner member
Material
lubricant dry film lubrication
Material
steel comp 440c inner member
Material
steel comp 630 outer race member
Outer Member Outside Diameter
0.9995 inches minimum and 1.0000 inches maximum
Outer Member Width
0.5000 inches minimum and 0.5100 inches maximum
Special Features
chromium plating on inner member optional
Specification/Standard Data
81205-bacb10ab manufacturers standard
Static Radial Load Rating
39200 pounds
Style Designator
without insert or liner with staking groove
Surface Treatment Document And Classification
qq-c-320,class 2 fed spec single treatment response inner member
Surface Treatment
chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: BSSR-8557EC2. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-211-5096?
The FSCG of the NSN 3120-01-211-5096 is 3120
Does the NSN 3120-01-211-5096 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-211-5096 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 3120-01-211-5096 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-211-5096 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 3120-01-211-5096 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Thu, Jun 27, 1985

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