Model: MS21442-181

Needle Roller Bearing

Special Features:

Oil grooves and one to four holes

Properties:

Bore Diameter
0.3125 inches
Overall Outside Diameter
1.1250 inches
Lubrication Material
Grease
Outer Ring Width
0.6250 inches
Inner Ring Width
0.6875 inches
Crown Radius
12.0000 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Plastic polyhexamethylene adipamide seal
Material
Steel end plate
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Style Designator
Track roller, non-separable
NSN
3110-01-421-4846
Part Number
MS21442-181
Description
Bearing,roller,needle
CAGE
96906

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 MS21442-181 NSN 3110-01-421-4846

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:
BA
CRITL:
X

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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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