Model: E998-804-2 A-B

Duplex Ball Bearing

Special Features:

Consists of one bearing without a flange and one bearing with a flange, flange 0.4360 in. Min and 0.4370 in. Max dia, 0.0220 in. Min and 0.0230 in. Max w

Properties:

Overall Width
Between 0.2030 inches and 0.2350 inches
Bore Diameter
Between 0.234351 inches and 0.234400 inches
Overall Outside Diameter
Between 0.406101 inches and 0.406150 inches
Lubrication Material
Grease
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Internal Clearance
0.0006 inches radial and 0.0008 inches radial
Bearing Preload Rating
Between 1.75 pounds and 2.25 pounds
Contact Angle
Between 5.0 degrees and 25.0 degrees
Lubrication Material Specification
639as3195 mfr ref single material response
Material
Plastic phenolic retainer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material Specification
Qq-s-763, cond a federal specification single material response inner ring
Material Specification
Qq-s-763, cond a federal specification single material response ball
Material Specification
Qq-s-763, cond a federal specification single material response outer ring
Surface Treatment
Passivate ball
Surface Treatment
Passivate inner ring
Surface Treatment
Passivate outer ring
NSN
3110-01-211-7520
Part Number
E998-804-2 A-B
Description
Bearing,ball,duplex
CAGE
40920

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part E998-804-2 A-B NSN 3110-01-211-7520

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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:
51
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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