PB251-2 3-16

Comprehensive specifications and application details for: PB251-2 3-16 Ball Bearing Unit.

Summary

Explore detailed summary information for bearing: PB251-2 3-16. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
PB251-2 3-16
Federal Supply Classification
3130 Mounted Bearings
(NSN) National Stock Number
3130-00-064-3779
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.

1.1250 inches nominal base thickness, 2.3750 inches nominal base length, fixed block type, self-aligning alignment type, 1.9844 inches nominal assembly overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3130-00-064-3779 . Find dimensions, materials, tolerances, performance characteristics, etc.

Alignment Type
self-aligning
Assembly Overall Length
1.9844 inches nominal
Base Length
2.3750 inches nominal
Base Thickness
1.1250 inches nominal
Block Type
fixed
Bore Diameter
2.1875 inches nominal
Center To Center Distance Between Mounting Holes Along Width
6.7500 inches nominal
Collar Location
one end
Features Provided
ground rolling element groove
Height From Bottom Of Base To Bore Centerline
2.5000 inches nominal
Housing Height
5.0625 inches nominal
Housing Width
8.2500 inches nominal
Internal Fit-Up Designation
standard
Load Capability Type
radial
Lubrication Material
grease
Lubrication Fitting Angle From Horizontal Centerline
45.0 degrees nominal
Lubrication Fitting Type
hydraulic
Material
iron cast housing
Material
steel and wool seal
Mounting Slot Length
0.8125 inches nominal
Mounting Slot Width
0.6250 inches nominal
Mounting Hole Type
slotted
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
pillow block, solid

Replaces

The NSN 3130-00-064-3779 is used in place of the following discontinued or alternate items:

NSN Name Date
3130-00-013-9384 No Name Available 09/01/1983
3130-00-108-0695 No Name Available 09/15/1971

Frequently Asked Questions

Find quick answers to common questions about bearing: PB251-2 3-16. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3130-00-064-3779?
The FSCG of the NSN 3130-00-064-3779 is 3130
Does the NSN 3130-00-064-3779 have a Schedule B code assigned?
Yes, the Schedule B code is 8482991050
Does NSN 3130-00-064-3779 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 3130-00-064-3779 contain precious materials?
Item does not contain precious metal.
Does NSN 3130-00-064-3779 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 3130-00-064-3779 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

Fill out the form to get pricing and availability details for the bearing: PB251-2 3-16

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

B21033C
3110-00-120-1638
Tapered Roller Bearing
B21063E49
3110-00-156-1483
Thrust Roller Bearing
B210AF6
3110-00-293-9607
Annular Ball Bearing
B210AFG
3110-00-155-6258
Annular Ball Bearing
B211-1
3110-00-144-8547
Annular Ball Bearing
B211-29
3110-00-902-6607
Journal Roller Bearing
B2110
3120-01-159-9386
Me Bearing Replacement Parts Kit
B2110-0H
3110-00-817-7501
Needle Roller Bearing
B2111
3110-00-554-6125
Annular Ball Bearing
B212556
3120-00-452-6579
Washer Thrust
B212B138AX4
3120-00-487-3346
Sleeve Bearing
B2131
3110-00-144-8561
Annular Ball Bearing
B21319
3120-01-160-2224
Thrust Washer Bearing
B2132985-1
3110-00-198-2000
Annular Ball Bearing
B2147
3110-01-207-9059
Bearing Roller Retainer