Model: A4050A4138

Tapered Roller Bearing

Properties:

Overall Width
Between 0.4330 inches and 0.4410 inches
Bore Diameter
Between 0.5000 inches and 0.5005 inches
Overall Outside Diameter
Between 1.3775 inches and 1.3785 inches
Backface Corner Radius
Between 0.0460 inches and 0.0620 inches
Standout Width
Between 0.0843 inches and 0.0943 inches
Cone Corner Radius
Between 0.0460 inches and 0.0620 inches
Cone Width
Between 0.4276 inches and 0.4376 inches
Cup Width
Between 0.3387 inches and 0.3487 inches
Retainer Fabrication Method
Stamped
Features Provided
Aligning ring
Standard Tolerance Designation
Afbma class 2
Material
Steel comp e4340h cone or steel comp 8620 cone or steel comp e52100 cone or steel comp 4320 cone
Material
Steel comp e4340h cup or steel comp 8620 cup or steel comp e52100 cup or steel comp 4320 cup
Material
Steel comp e4340h roller or steel comp 8620 roller or steel comp e52100 roller or steel comp 4320 roller
Material
Steel retainer
Material Specification
66 federal standard all material responses cone or sae assn standard all material responses cone or aisi assn standard all material responses cone
Material Specification
66 federal standard all material responses cup or sae assn standard all material responses cup or aisi assn standard all material responses cup
Material Specification
66 federal standard all material responses roller or sae assn standard all material responses roller or aisi assn standard all material responses roller
Style Designator
Straight bore, normal angle
NSN
3110-00-155-7437
Part Number
A4050A4138
Description
Bearing,roller,tapered
CAGE
01212

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 A4050A4138 NSN 3110-00-155-7437

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:
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: 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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