Model: 303666

Ball Bearing Unit
Description:

3.3750 inches bore diameter, rigid alignment type, standard internal fit-up designation, open shaft end type, ground rolling element groove features provided.

Properties:

Bore Diameter
Between 3.3750 inches and 3.3800 inches
Housing Diameter
Between 5.2400 inches and 5.3750 inches
Housing Length
Between 0.9320 inches and 0.9370 inches
Rolling Element Groove Quantity
2
Alignment Type
Rigid
Internal Fit-up Designation
Standard
Assemblylength
6.0625 inches
Block Type
Fixed
Shaft End Type
Open
Load Capability Type
Radial
Features Provided
Ground rolling element groove
Rotating Element Locking Method
Adapter
Material
Copper alloy retainer or steel retainer
Material
Steel comp 4140 housing
Material
Steel comp e52100 bearing
Material
Steel race
Material Specification
66, aisi/sae 8620 federal standard single material response race
Material Specification
66 federal standard single material response bearing
Material Specification
Qq-b-613 federal specification 1st material response retainer
Material Specification
Qq-s-624 federal specification single material response housing
Style Designator
Cylindrical cartridge
NSN
3130-00-039-8962
Part Number
303666
Description
Bearing Unit,ball
CAGE
44674

An assembled unit, composed of a housing incorporating a single or multiple row ball bearing(s), designed to meet various or specific conditions of mounting.

Part 303666 NSN 3130-00-039-8962

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30556
FIIG:
A093A0
Concept No.:
App. Key:
A
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:
U
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: 8482991050
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts)

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