Model: 7021D401T

Duplex Ball Bearing

Special Features:

Part no. To be marked on face of outer race per sikorsky specification ss-8797, assembly relationship marking v on od surface of bearing, each bearing to same serial no., zero degrees angularity under zero load, bore and od to be copper plated 0.0001 to 0.0003 in. Thk per ams2418

Properties:

Overall Width
Between 0.4900 inches and 0.5000 inches
Bore Diameter
Between 4.1331 inches and 4.1339 inches
Overall Outside Diameter
Between 5.3140 inches and 5.3150 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Radial
Bearing Preload Designation
Light
Internal Clearance
0.0004 inches radial and 0.0007 inches radial
Material
Plastic retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
90a universal ground faces, counterbored outer ring, non-separable
Style Designator
Universal ground faces, counterbored outer ring, non-separable
NSN
3110-00-627-7827
Part Number
7021D401T
Description
Bearing,ball,duplex
CAGE
38443

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 7021D401T NSN 3110-00-627-7827

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

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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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