Model: MS21442-481

Needle Roller Bearing

Properties:

Bore Diameter
1.0000 inches
Overall Outside Diameter
3.0000 inches
Lubrication Material
Grease
Outer Ring Width
1.7500 inches
Inner Ring Width
1.8125 inches
Crown Radius
30.0000 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Features Provided
Lubrication groove and lubrication hole
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Plastic acetal seal or plastic polyhexamethylene adipamide seal
Material
Steel end plate
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Surface Treatment
Cadmium end plate exposed surfaces and chromate end plate exposed surfaces
Surface Treatment
Cadmium inner ring and chromate inner ring or oxide inner ring or cadmium inner ring
Style Designator
Track roller, non-separable
NSN
3110-01-446-6655
Part Number
MS21442-481
Description
Bearing,roller,needle
CAGE
81343

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Part MS21442-481 NSN 3110-01-446-6655

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00051
FIIG:
A044A0
Concept No.:
App. Key:
M
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:
A
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:
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:
114800
UFC:
58850
LTL:
RATING VARIABLE
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482400000
  • SITC: 74640
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Needle roller bearings

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