Model: R1921EX7

Cylindrical Roller Bearing

Special Features:

Flight safety part

Properties:

Bore Diameter

Between 4.4095 inches and 4.4100 inches

Overall Outside Diameter

Between 5.7083 inches and 5.7087 inches

Flange Outside Diameter

Between 6.5840 inches and 6.5844 inches

End Application

Ch-47d, cargo hel

Flange Width

Between 0.1150 inches and 0.1350 inches

Outer Ring Width

Between 0.7234 inches and 0.7454 inches

Inner Ring Width

Between 0.7234 inches and 0.7454 inches

Surface Finish

Ground

Bore Shape

Nonstandard taper

Locating Feature

Nonlocating

Material

Steel comp m50

Material Specification

Ams6490 (cevm -50 steel) mfr ref single material response

Style Designator

Shouldered outer ring w/puller groove, s eparable

NSN

3110-01-353-7293

Part Number

R1921EX7

Description

Bearing,roller,cylindrical

CAGE

38443

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part R1921EX7 NSN 3110-01-353-7293

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00015

FIIG:

A044A0

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:

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:

114800

UFC:

58850

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8482500000
SITC: 74650
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Other cylindrical roller bearings