Model: 7218DB

Annular Ball Bearing

Special Features:

Pair of bearings, duplex mounted back to back

Properties:

Overall Width
30.00 millimeters
Bore Diameter
90.00 millimeters
Overall Outside Diameter
160.00 millimeters
Lubrication Material
Lubricating oil
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Load Direction
Angular
Bore Shape
Straight
Internal Fit-up Designation
Standard
Internal Fit-up Contact Angular Direction
Outward convergent
Standard Tolerance Designation
Abec no.1
Contact Angle
25.0 degrees
Lubrication Material
Oil lubricating
Material
Steel
Style Designator
Counterbored outer ring, non-separable
Nondefinitive Specification/std Data
1 class and 00 grade and 134 type
Departure From Cited Document
As modified by special feature
NSN
3110-00-156-8220
Part Number
7218DB
Description
Bearing,ball,annular
CAGE
38443

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 7218DB NSN 3110-00-156-8220

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
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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