Model: 3779 AND 3720

Tapered Roller Bearing

Properties:

Overall Width
Between 1.1875 inches and 1.1955 inches
Bore Diameter
Between 1.8750 inches and 1.8755 inches
Overall Outside Diameter
Between 3.6718 inches and 3.6728 inches
Backface Corner Radius
Between 0.1250 inches and 0.1410 inches
Standout Width
Between 0.2495 inches and 0.2505 inches
Cone Corner Radius
Between 0.1400 inches and 0.1560 inches
Cone Width
Between 1.1880 inches and 1.1980 inches
Cup Width
Between 0.9325 inches and 0.9425 inches
Retainer Fabrication Method
Stamped
Standard Tolerance Designation
Afbma class 2
Material
Steel comp 4320 cup or steel comp e4340h cup or steel comp 8620 cup or steel comp e52100 cup
Material
Steel comp 4320 cone or steel comp e4340h cone or steel comp 8620 cone or steel comp e52100 cone
Material
Steel comp 4320 roller or steel comp e4340h roller or steel comp 8620 roller or steel comp e52100 roller
Material Specification
66 federal standard all material responses cone
Material Specification
66 federal standard all material responses cup
Material Specification
66 federal standard all material responses roller
Style Designator
Straight bore, normal angle
Nondefinitive Specification/std Data
751 type
NSN
3110-00-100-5936
Part Number
3779 AND 3720
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 3779 AND 3720 NSN 3110-00-100-5936

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.6 X 4.6 X 3.0
Paclk Weight:
1.5000lbs
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: 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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