Model: 645A179-39

Needle Roller Bearing
Description:

1.7500 inches overall width, 2.5000 inches bore diameter, 3.2500 inches overall outside diameter, ground surface finish, pressed retainer fabrication method.

Special Features:

Oil hole and groove in outer race, dumbell shaped rollers w/centrally locateed retaining rings

Properties:

Overall Width
1.7500 inches
Bore Diameter
2.5000 inches
Overall Outside Diameter
3.2500 inches
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Seal Quantity
2
Bearing Seal Type
One lip inward, one lip outward
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for industrial needle bearings
Material
Rubber synthetic seal
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Style Designator
Non-separable, with roller retainer, hardened and ground
NSN
3110-00-076-7718
Part Number
645A179-39
Description
Bearing,roller,needle
CAGE
0BR59

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 645A179-39 NSN 3110-00-076-7718

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

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:
ZZ
LVL_A:
E
LVL_B:
Q

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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