Model: R321121-4

Annular Ball Bearing

Properties:

Bore Diameter
0.2500 inches
Lubrication Material
Grease
Flange Outside Diameter
0.6875 inches
Flange Width
0.0420 inches
Outer Ring Width
0.2260 inches
Inner Ring Width
0.2500 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Shield Quantity
2
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Abec no.3
Lubrication Material
Grease
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Stainless steel
NSN
3110-00-555-7224
Part Number
R321121-4
Description
Bearing,ball,annular
CAGE
04071

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part R321121-4 NSN 3110-00-555-7224

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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