Model: 21-256

Sleeve Bearing Half

Properties:

Overall Length
Between 1.6180 inches and 1.6200 inches
Body Outside Diameter
Between 2.6240 inches and 2.6250 inches
Body Inside Diameter
Between 2.4380 inches and 2.4385 inches
Left Flange Outside Diameter
3.3125 inches
Right Flange Outside Diameter
3.3125 inches
Left Flange Width
Between 0.0875 inches and 0.0895 inches
Right Flange Width
Between 0.0875 inches and 0.0895 inches
Lubricant Accommodation Style
Grooved circular
Locking Lug Height
Between 0.0450 inches and 0.0550 inches
Locking Lug Length
Between 0.1875 inches and 0.2188 inches
Locking Lug Width
Between 0.1750 inches and 0.1800 inches
Antirotation/lubrication Type And Quantity
1 hole
Surface Groove Location And Quantity
1 internal
Distance From Lug End To End Of Bearing
Between 0.4280 inches and 0.4375 inches
Style Designator
18d half sleeve, external flanges both ends
Style Designator
Half sleeve, external flanges both ends
NSN
3120-00-448-3472
Part Number
21-256
Description
Bearing Half,sleeve
CAGE
35301

A half of a two-piece split type bearing, sleeve.

Part 21-256 NSN 3120-00-448-3472

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22210
FIIG:
A045A0
Concept No.:
App. Key:
G
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114850
UFC:
58880
LTL:
70.0
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483308090
  • SITC: 74822
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Plain shaft bearings, without housing, except spherical

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