Model: RA1 3/4

Ball Bearing Unit

Special Features:

Four mounting holes

Properties:

Bolt Circle Diameter

4.7500 inches

Bore Diameter

1.7500 inches

Housing Diameter

5.8750 inches

Housing Length

0.8661 inches

Mounting Hole Width

0.5313 inches

Rolling Element Groove Quantity

Alignment Type

Self-aligning

Internal Fit-up Designation

Standard

Assemblylength

1.7188 inches

Seal Type

Contact

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

Rotating Element Locking Method

Eccentric cam locking collar

Mounting Hole Type

Square

Lubrication Material

Grease

NSN

3130-01-188-4878

Part Number

RA1 3/4

Description

Bearing Unit,ball

CAGE

21335

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

Part RA1 3/4 NSN 3130-01-188-4878

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

30556

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:

3.1000lbs

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:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482991050
SITC: 74699
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts)