Model: BSSR-8557EC2

Self-aligning Plain Bearing

Special Features:

Chromium plating on inner member optional

Properties:

Bore Diameter

Between 0.4995 inches and 0.5000 inches

Lubrication Material

Lubricant, dry film, bms 3-8, mcdonnell douglas corp, mcdonnell aircraft division

Outer Member Outside Diameter

Between 0.9995 inches and 1.0000 inches

Outer Member Width

Between 0.5000 inches and 0.5100 inches

Inner Member Width

Between 0.5570 inches and 0.5620 inches

Static Radial Load Rating

39200 pounds

Hardness Rating

28.0 rockwell c outer race member and 36.0 rockwell c outer race member

Hardness Rating

55.0 rockwell c inner member and 60.0 rockwell c inner member

Lubrication Feature

Groove outer race member and perforation outer race member

Material

Steel comp 440c inner member

Material

Steel comp 630 outer race member

Material Specification

Ams 5643 assn standard single material response outer race member

Material Specification

Qq-s-763 federal specification single material response inner member

Surface Treatment

Chromium inner member

Surface Treatment Specification

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

Style Designator

Without insert or liner with staking groove

Specification Data

81205-bacb10ab manufacturers standard

NSN

3120-01-211-5096

Part Number

BSSR-8557EC2

Description

Bearing,plain,self-aligning

CAGE

81376

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 BSSR-8557EC2 NSN 3120-01-211-5096

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:

0.2000lbs

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