Model: B-39812

Tapered Roller Bearing

Special Features:

8 holes 0.5000 in. Diameter equally spaced in cup spacer, pr of brngs, 0.0080 in. Bench lateral

Properties:

Bore Diameter
Between 4.5000 inches and 4.5010 inches
Overall Outside Diameter
Between 9.0000 inches and 9.0010 inches
Backface Corner Radius
0.1300 inches
Cone Corner Radius
0.1400 inches
Cone Width
3.8920 inches
Cup Width
Between 4.2300 inches and 4.2780 inches
Retainer Fabrication Method
Pressed
Standard Tolerance Designation
Afbma class 2
Material
Steel
NSN
3110-00-239-7788
Part Number
B-39812
Description
Bearing,roller,tapered
CAGE
98016

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 B-39812 NSN 3110-00-239-7788

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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