B1311B

View detailed technical data, stock status, and sourcing information for: B1311B
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-227-3657

Item Name Code

00015

Assigment Date

01/01/1961 (65 years ago)

29.0 millimeters nominal overall width, 2.8151 inches nominal bore diameter, straight bore shape, ground surface finish, 120.0 millimeters nominal overall outside diameter

Product Characteristics

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

Overall Width: 29.0 millimeters nominal
Bore Diameter: 2.8151 inches nominal
Overall Outside Diameter: 120.0 millimeters nominal
Surface Finish: ground
Bore Shape: straight
Locating Feature: nonlocating
Internal Fit-Up Designation: standard
Standard Tolerance Designation: rbec no.1
Special Features: outer ring and roller assembly,no inner ring
Material: steel or copper alloy retainer
Material: steel outer ring
Material: steel roller
Style Designator: single row, non-locating, two lip inner ring, cylindrical outer ring, separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-758-9801	No Name Available	04/01/1979
3110-00-983-6596	No Name Available	04/01/1978

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
104226R91	Cylindrical Roller Bearing
104257R91	Cylindrical Roller Bearing
105257R91	Cylindrical Roller Bearing
1311-8	Cylindrical Roller Bearing
1311-B	Cylindrical Roller Bearing
1311BA	Cylindrical Roller Bearing
1311TS	Cylindrical Roller Bearing
15041P11	Cylindrical Roller Bearing
1A0323	Cylindrical Roller Bearing
2885M	Cylindrical Roller Bearing
2B7737	Cylindrical Roller Bearing
2CGX488	Cylindrical Roller Bearing
7450136	Cylindrical Roller Bearing
9H1311TS	Cylindrical Roller Bearing
B1311B	Cylindrical Roller Bearing
GX488	Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-227-3657?

The FSCG of the NSN 3110-00-227-3657 is 3110

Does the NSN 3110-00-227-3657 have a Schedule B code assigned?

Yes, the Schedule B code is 8482500000

Does NSN 3110-00-227-3657 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 3110-00-227-3657 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-227-3657 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 3110-00-227-3657 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961