3B0243A

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3B0243A
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-156-4257
Item Name Code
00014
Assigment Date
01/01/1961 (65 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

ground surface finish, 62.0 millimeters nominal overall outside diameter, 30.0 millimeters nominal bore diameter, 0.7870 inches nominal outer ring width, 19.0 millimeters 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
30.0 millimeters nominal
Overall Outside Diameter
62.0 millimeters nominal
Outer Ring Width
0.7870 inches nominal
Inner Ring Width
19.0 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Seal Quantity
1
Bearing Seal Type
contact
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
standard
Standard Tolerance Designation
abec no.1
Material
rubber synthetic seal
Material
steel ball
Material
steel inner ring
Material
steel outer ring
Material
steel retainer
Style Designator
non-loading groove, non-separable
Nondefinitive Spec/Std Data
118 type and 00 grade and 1 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2930-00-591-1978 No Name Available 01/01/1963
3110-00-932-1051 No Name Available 12/16/1970

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3B0243A Annular Ball Bearing
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WC8506 Annular Ball Bearing
WC8506CE1TX9 Annular Ball Bearing
WC8506X1C Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-156-4257?
The FSCG of the NSN 3110-00-156-4257 is 3110
Does the NSN 3110-00-156-4257 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-156-4257 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 3110-00-156-4257 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-156-4257 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 3110-00-156-4257 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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