Model: M2181A

Tapered Roller Bearing

Special Features:

2 single cones, 2 single cups w/spacer

Properties:

Overall Width
2.5320 inches
Bore Diameter
2.2500 inches
Overall Outside Diameter
4.4375 inches
Backface Corner Radius
0.0310 inches
Standout Width
0.2500 inches
Cone Corner Radius
0.1400 inches
Cone Width
2.5320 inches
Cup Width
2.0320 inches
Retainer Fabrication Method
Pressed
Standard Tolerance Designation
Afbma class 2
Material
Steel
Style Designator
Straight bore, single cups, single cones cup and cone spacers
NSN
3110-00-498-4511
Part Number
M2181A
Description
Bearing,roller,tapered
CAGE
61208

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 M2181A NSN 3110-00-498-4511

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

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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