56655

View detailed technical data, stock status, and sourcing information for: 56655
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Federal Supply Group

Bearings

Federal Supply Classification

3130 Mounted Bearings

National Stock Number

3130-00-108-0689

Item Name Code

30556

Assigment Date

01/01/1963 (63 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.

275.0 fahrenheit temp rating, 0.5625 inches nominal mounting slot width, 0.6875 inches nominal base thickness, 1.6875 inches nominal bore diameter, 0.8125 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.

Temp Rating: 275.0 fahrenheit
Mounting Slot Width: 0.5625 inches nominal
Mounting Slot Length: 0.8125 inches nominal
Bore Diameter: 1.6875 inches nominal
Base Thickness: 0.6875 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 5.7500 inches nominal
Housing Height: 4.2500 inches nominal
Housing Width: 7.5000 inches nominal
Lubrication Fitting Type: hydraulic
Base Length: 2.1250 inches nominal
Rolling Element Groove Quantity: 1
Alignment Type: self-aligning
Internal Fit-Up Designation: standard
Assembly Overall Length: 1.9375 inches nominal
Seal Type: labyrinth
Block Type: fixed
Shaft End Type: open
Seal Location: both ends
Load Capability Type: radial
Height From Bottom Of Base To Bore Centerline: 2.1250 inches nominal
Features Provided: ground rolling element groove
Lubrication Fitting Angle From Horizontal Centerline: 90.0 degrees nominal
Rotating Element Locking Method: direct
Mounting Hole Type: slotted
Lubrication Material: grease
Material: iron cast housing
Material: steel and wool 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Below is a list of NSNs that have been officially superseded by this NSN: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
3110-01-020-5132	No Name Available	03/01/1978

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
30F38	Ball Bearing Unit
56655	Ball Bearing Unit
77820	Ball Bearing Unit
BRSAC2	Ball Bearing Unit
D8916-3	Ball Bearing Unit
KT63CZ125	Ball Bearing Unit
KT63ZZ120	Ball Bearing Unit
NAVYX2102APC8	Ball Bearing Unit
NAVYX2102PC8	Ball Bearing Unit
NP27	Ball Bearing Unit
NX2113PC6	Ball Bearing Unit
PWG 1 11/16RS	Ball Bearing Unit
PWG11/16 RS	Ball Bearing Unit
RAS 1 11/16	Ball Bearing Unit
SY1-11/16TF	Ball Bearing Unit
SY111	Ball Bearing Unit

FAQs

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

What is the FSCG of the NSN 3130-00-108-0689?

The FSCG of the NSN 3130-00-108-0689 is 3130

Does the NSN 3130-00-108-0689 have a Schedule B code assigned?

Yes, the Schedule B code is 8482991050

Does NSN 3130-00-108-0689 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 3130-00-108-0689 contain precious materials?

Item does not contain precious metal.

Does NSN 3130-00-108-0689 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 3130-00-108-0689 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963