P247

View detailed technical data, stock status, and sourcing information for: P247

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P247
Federal Supply Group
Bearings
Federal Supply Classification
3130 Mounted Bearings
National Stock Number
3130-00-018-8550
Item Name Code
30556
Assigment Date
05/10/1968 (58 years ago)

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.

1.2500 inches nominal base thickness, 0.7812 inches nominal mounting slot width, 8.0000 inches minimum and 9.0000 inches maximum center to center distance between mounting holes along width, 2.9375 inches nominal bore diameter, 1.7500 inches nominal mounting slot length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Mounting Slot Width
0.7812 inches nominal
Mounting Slot Length
1.7500 inches nominal
Bore Diameter
2.9375 inches nominal
Base Thickness
1.2500 inches nominal
Center To Center Distance Between Mounting Holes Along Width
8.0000 inches minimum and 9.0000 inches maximum
Housing Height
6.5625 inches nominal
Housing Width
10.6250 inches nominal
Lubrication Fitting Type
hydraulic
Base Length
2.7500 inches nominal
Rolling Element Groove Quantity
1
Alignment Type
self-aligning
Internal Fit-Up Designation
standard
Assembly Overall Length
2.8750 inches nominal
Seal Type
contact
Block Type
fixed
Shaft End Type
open
Seal Location
both ends
Load Capability Type
radial
Height From Bottom Of Base To Bore Centerline
3.2500 inches nominal
Features Provided
ground rolling element groove
Lubrication Fitting Angle From Horizontal Centerline
45.0 degrees nominal
Rotating Element Locking Method
direct
Mounting Hole Type
slotted
Lubrication Material
grease
Material
iron cast housing
Material
steel and rubber synthetic seal
Style Designator
pillow block, solid

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3130-00-256-2148 No Name Available 09/01/2023

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
9416979 Ball Bearing Unit
P247 Ball Bearing Unit
SY215 Ball Bearing Unit
SY215/16TF Ball Bearing Unit
SY215/16TM Ball Bearing Unit

FAQs

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

What is the FSCG of the NSN 3130-00-018-8550?
The FSCG of the NSN 3130-00-018-8550 is 3130
Does the NSN 3130-00-018-8550 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-00-018-8550 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 3130-00-018-8550 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-00-018-8550 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 3130-00-018-8550 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, May 10, 1968

Professional Distribution

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