Model: NA4904

Needle Roller Bearing

Properties:

Overall Width
17.00 millimeters
Bore Diameter
20.00 millimeters
Overall Outside Diameter
37.0 millimeters
Lubrication Material
Lubricant
Seal Quantity
1
Bearing Seal Type
Contact
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Material
Steel
Style Designator
Separable inner race, with roller retainer, hardened and ground
NSN
3110-00-405-9139
Part Number
NA4904
Description
Bearing,roller,needle
CAGE
27737

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 NA4904 NSN 3110-00-405-9139

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:
U
ESD:
ESD:
MMAC:
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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