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:
L
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
F

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114800
UFC:
58850
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
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

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