Model: 643-633

Tapered Roller Bearing
Description:

1.6250 inches overall width, 2.7500 inches bore diameter, 5.1250 inches overall outside diameter, 0.1250 inches backface corner radius.

Properties:

Overall Width
1.6250 inches
Bore Diameter
2.7500 inches
Overall Outside Diameter
5.1250 inches
Backface Corner Radius
0.1250 inches
Standout Width
0.3750 inches
Cone Corner Radius
0.1400 inches
Cone Width
1.6250 inches
Cup Width
1.2500 inches
Standard Tolerance Designation
Afbma class 2
Material
Steel
Style Designator
Straight bore, normal angle
NSN
3110-00-056-4386
Part Number
643-633
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 643-633 NSN 3110-00-056-4386

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:
--
Paclk Weight:
5.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
ZZ
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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