Model: B28-9L

Self-aligning Plain Bearing

Special Features:

Outer member fractured in two places with snap ring, dry film molydenum disulfide on entire bearing, gun mounted diametrical clearance 0.0030 in. To 0.0060 in. T.I.R.

Properties:

Bore Diameter

Between 1.7495 inches and 1.7500 inches

Lubrication Material

Lubricant, manufacturers standard

Outer Member Outside Diameter

Between 2.8119 inches and 2.8125 inches

Outer Member Width

Between 1.3070 inches and 1.3120 inches

Inner Member Width

Between 1.5260 inches and 1.5310 inches

Static Radial Load Rating

305000 pounds

Hardness Rating

57.0 rockwell c inner member and 63.0 rockwell c inner member

Hardness Rating

60.0 rockwell c outer race member and 63.0 rockwell c outer race member

Lubrication Feature

Groove internal surfaces

Material

Steel comp 1025

Surface Treatment

Phosphate

Style Designator

Without insert or liner

NSN

3120-00-085-6450

Part Number

B28-9L

Description

Bearing,plain,self-aligning

CAGE

51588

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 B28-9L NSN 3120-00-085-6450

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:

1.4000lbs

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:

114820

UFC:

58860

LTL:

77.5

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