Model: MS21155

Self-aligning Plain Bearing

Special Features:

Plating of inner race member to be 0.0002 in. Min thick on spherical surfaces, 0.0005 in. Thick on faces

Properties:

Bore Diameter

Between 0.6245 inches and 0.6250 inches

Lubrication Material

Grease, mil-g-21164

Outer Member Outside Diameter

Between 1.1870 inches and 1.1875 inches

Outer Member Width

Between 0.4950 inches and 0.5050 inches

Inner Member Width

Between 0.6230 inches and 0.6250 inches

Static Radial Load Rating

31950 pounds

Hardness Rating

27.0 rockwell c outer race member and 36.0 rockwell c outer race member

Hardness Rating

56.0 rockwell c inner member

Lubrication Feature

Groove inner member and perforation inner member

Lubrication Feature

Groove outer race member and perforation outer race member

Material

Steel comp 440c inner member

Material

Steel comp e4340 outer race member or steel comp 4130 outer race member or steel comp 8630 outer race member

Material Specification

Ams 5630 assn standard single material response inner member

Material Specification

Mil-s-5000 military specification 1st material response outer race member or mil-s-6758 military specification 2nd material response outer race member or mil-s-6050 military specification 3rd material response outer race member

Surface Treatment

Chromium inner member

Surface Treatment

Cadmium outer race member

Surface Treatment Specification

Qq-c-320, cl 2 federal specification single treatment response inner member

Surface Treatment Specification

Qq-p-416, type 1, cl 2 federal specification single treatment response outer race member

Style Designator

Without insert or liner

NSN

3120-01-217-0860

Part Number

MS21155

Description

Bearing,plain,self-aligning

CAGE

96906

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part MS21155 NSN 3120-01-217-0860

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13208

FIIG:

A045A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114850

UFC:

58880

LTL:

70.0

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482300040
SITC: 74630
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Spherical roller bearings, single row