Model: A31911

Needle Roller Bearing

Special Features:

Oil hole and groove in outer race

Properties:

Overall Width
1.7500 inches
Bore Diameter
1.2500 inches
Overall Outside Diameter
2.3125 inches
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Material
Steel
Style Designator
Non-separable, with roller retainer, hardened and ground
NSN
3110-00-120-4371
Part Number
A31911
Description
Bearing,roller,needle
CAGE
78640

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 A31911 NSN 3110-00-120-4371

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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