Model: NA749-743DS

Tapered Roller Bearing

Special Features:

Oilhole and groove in cup, externally aligning

Properties:

Overall Width
4.0000 inches
Bore Diameter
3.2500 inches
Overall Outside Diameter
6.6250 inches
Backface Corner Radius
0.0620 inches
Standout Width
0.3125 inches
Cone Corner Radius
0.1400 inches
Cup Width
3.3750 inches
Retainer Fabrication Method
Pressed
Standard Tolerance Designation
Afbma class 2
Material
Steel
Style Designator
Straight bore, aligning double cup, single cones, non-adjustable
NSN
3110-00-158-8464
Part Number
NA749-743DS
Description
Bearing,roller,tapered
CAGE
60038

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes bearing, roller, thrust.

Part NA749-743DS NSN 3110-00-158-8464

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00021
FIIG:
A044A0
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:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482200030
  • SITC: 74620
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Tapered roller bearings, cup and cone assemblies entered as a set, wheel hub units, other than flanged

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