Model: 31J30

Roller Bearing Unit

Properties:

Pilot Diameter

Between 4.4980 inches and 4.5000 inches

Bolt Circle Diameter

5.3750 inches

Mounting Hole Diameter

0.4688 inches

Bore Diameter

Between 1.9980 inches and 2.0000 inches

Housing Diameter

6.3750 inches

Housing Length

2.4375 inches

Lubrication Fitting Type

Hydraulic

Rolling Element Groove Quantity

Alignment Type

Self-aligning

Internal Fit-up Designation

Standard

Assemblylength

3.1250 inches

Seal Type

Labyrinth

Block Type

Fixed

Shaft End Type

Open

Seal Location

Both ends

Collar Location

One end

Load Capability Type

Radial

Features Provided

Ground rolling element groove

Lubrication Fitting Angle From Horizontal Centerline

90.0 degrees

Rotating Element Locking Method

Direct

Mounting Hole Type

Round, unthreaded

Lubrication Material

Grease

Material

Iron cast housing

Material

Steel inner liner

Style Designator

Flange cartridge block

NSN

3130-00-618-6737

Part Number

31J30

Description

Bearing Unit,roller

CAGE

05643

An assembled unit, composed of a housing incorporating a single or multiple row roller bearing(s), designed to meet various or specific conditions of mounting.

Part 31J30 NSN 3130-00-618-6737

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30558

FIIG:

A093A0

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:

9.6000lbs

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: 8482997090
SITC: 74699
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi