Model: U495

Duplex Ball Bearing

Special Features:

Vacuum impregnated retainer with specified oil, centrifuge for 2 minutes at 100 g after vacuum; inscribe match mark on od of each bearing; 1 shield each bearing

Properties:

Overall Width
Between 0.6050 inches and 0.6250 inches
Bore Diameter
Between 4.4997 inches and 4.5000 inches
Overall Outside Diameter
Between 5.1246 inches and 5.1250 inches
Lubrication Material
Oil
Surface Finish
Ground
Retainer Fabrication Method
Pressed
Shield Quantity
2
Load Direction
Angular
Standard Tolerance Designation
Abec no.5
Bearing Preload Rating
Between 20.0 pounds and 30.0 pounds
Contact Angle
Between 15.0 degrees and 25.0 degrees
Lubrication Material Specification
Mil-l-6085 military specification single material response
Material
Cotton retainer and plastic phenolic retainer
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material
Stainless steel shield
Material Specification
Mil-p-79, type fbe military specification single material response retainer
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
Specification Data
82577-801860 manufacturers standard
NSN
3110-01-191-7541
Part Number
U495
Description
Bearing,ball,duplex
CAGE
40920

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part U495 NSN 3110-01-191-7541

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
6.1 X 6.1 X 1.6
Paclk Weight:
1.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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