Model: BB120

Groove Pulley

Properties:

Groove Depth
0.3125 inches
Groove Width
Between 0.218 inches and 0.224 inches
Outside Diameter
3.000 inches
Overall Length
Between 0.479 inches and 0.484 inches
Bore Diameter
0.250 inches
Bore Length
Between 0.479 inches and 0.484 inches
Groove Radius
Between 0.109 inches and 0.112 inches
Material And Location
Plastic, polyester
Face Width
Between 0.433 inches and 0.442 inches
Design Form
Plain
Bore Type
Straight
Bearings
Included
Groove Quantity
1
Counterbore Feature
Not included
Bearing Quantity
1
Keying Facility
Not included
Split Hub Feature
Not included
Web/spoke Relationship To Face Centerline
Not offset
Lightening Hole
Not included
Integral Cooling Vane
Not included
Groove Shape
U
Bore Feature
Included
Bearing Type
Ball
Hub End Outside Diameter And Location
0.375 inches both ends
Distance From Outside Flange/rim To Hub End And Location
0.021 inches both ends and 0.023 inches both ends
Style Designator
Plain
NSN
3020-00-528-0498
Part Number
BB120
Description
Pulley,groove
CAGE
80251

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. for items specifically designed for aviation, see pulley(1), groove, aviation.

Part BB120 NSN 3020-00-528-0498

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08109
FIIG:
T353-A
Concept No.:
1
App. Key:
AA
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:
127300
UFC:
64560
LTL:
60.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8487900080
  • SITC: 74999
  • End Use: Industrial machines, other
  • NAICS: 333999
  • USDA: 1

Freight Class: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers

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