B90391

Comprehensive specifications and application details for: B90391 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: B90391. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B90391
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-00-159-9574
Item Name Code
30556
Federal Item Identification Guide
A093A0
Assigment Date
01/01/1963

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

2.1875 inches nominal bore diameter, self-aligning alignment type, 2.8125 inches nominal assembly overall length, 5.1250 inches nominal bolt circle diameter, fixed block type

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-159-9574 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Assembly Overall Length
2.8125 inches nominal
Block Type
fixed
Bolt Circle Diameter
5.1250 inches nominal
Bore Diameter
2.1875 inches nominal
Collar Location
one end
Features Provided
ground rolling element groove
Flange Thickness
0.7812 inches nominal
Housing Length
2.0000 inches nominal
Housing Width
6.3750 inches nominal
Internal Fit-Up Designation
standard
Load Capability Type
radial
Lubrication Material
grease
Lubrication Fitting Angle From Horizontal Centerline
90.0 degrees nominal
Lubrication Fitting Type
hydraulic
Material
iron cast housing
Material
steel seal
Mounting Hole Diameter
0.7344 inches nominal
Mounting Hole Type
round, unthreaded
Rolling Element Groove Quantity
1
Rotating Element Locking Method
setscrew locking collar
Seal Location
both ends
Seal Type
labyrinth
Shaft End Type
open
Style Designator
flange block

Frequently Asked Questions

Find quick answers to common questions about bearing: B90391. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-159-9574?
The FSCG of the NSN 3130-00-159-9574 is 3130
Does the NSN 3130-00-159-9574 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-00-159-9574 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 3130-00-159-9574 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-00-159-9574 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 3130-00-159-9574 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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