Model: MS21442-121

Needle Roller Bearing

Properties:

Bore Diameter
0.2500 inches
Overall Outside Diameter
1.0000 inches
Lubrication Material
Grease
Outer Ring Width
0.5000 inches
Inner Ring Width
0.5625 inches
Crown Radius
10.0000 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
Steel end platesteel inner ringsteel outer ringsteel rollerplastic acetal seal or plastic polyhexamethylene adipamide seal
Surface Treatment
Cadmium end plate exposed surfacescadmium inner ring or oxide inner ringchromium outer ring
Style Designator
Track roller, non-separable
NSN
3110-01-367-9323
Part Number
MS21442-121
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 MS21442-121 NSN 3110-01-367-9323

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:
N

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: 8482400000
  • SITC: 74640
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Needle roller bearings

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