Model: 20X21

Tapered Roller Bearing

Properties:

Overall Width
1.7500 inches
Bore Diameter
2.5000 inches
Overall Outside Diameter
5.1181 inches
Backface Corner Radius
0.1250 inches
Standout Width
0.3125 inches
Cone Corner Radius
0.1400 inches
Cup Width
1.4375 inches
Standard Tolerance Designation
Afbma class 3
Material
Steel
Style Designator
Straight bore, double cup, single cones
NSN
3110-00-275-0077
Part Number
20X21
Description
Bearing,roller,tapered
CAGE
0AFL4

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 20X21 NSN 3110-00-275-0077

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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