Model: 3TKCZSS21-28-83

Airframe Ball Bearing

Special Features:

0.0004 in. Min to 0.0006 in. Max radial play

Properties:

Bore Diameter
1.3125 inches
Overall Outside Diameter
1.7500 inches
Lubrication Material
Grease
Outer Ring Width
0.2500 inches
Inner Ring Width
0.2812 inches
Retainer Fabrication Method
Machined
Shield Quantity
2
Load Direction
Radial
Standard Tolerance Designation
Afbma standard tolerance for airframe needle bearings
Lubrication Material Specification
Mil-g-25760 military specification single material response
Material
Copper alloy retainer
Material
Stainless steel ball
Material
Stainless steel inner ring
Material
Stainless steel outer ring
Material
Stainless steel shield
Style Designator
Single row inner ring extended both sides
NSN
3110-00-869-4190
Part Number
3TKCZSS21-28-83
Description
Bearing,ball,airframe
CAGE
78118

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

Part 3TKCZSS21-28-83 NSN 3110-00-869-4190

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00041
FIIG:
A044A0
Concept No.:
App. Key:
B
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:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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