Model: 249721

Duplex Ball Bearing

Special Features:

Both sides of bore and one side od rounded to clear 0.0590 in. Max. Radius, other side of od rounded to clear 0.0390 in. Max. Radius each bearing, design contact angle 40 degrees, bearing to be modified under 50 lb load and faces out of flush by 0.0014 in. Max.

Properties:

Overall Width
50.0 millimeters
Bore Diameter
45.00 millimeters
Overall Outside Diameter
100.00 millimeters
Lubrication Material
Lubricant
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Internal Clearance
0.0135 inches radial and 0.0155 inches radial
Standard Tolerance Designation
Abec no.1
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Style Designator
92d counterbored outer rings, non-separable, tandem mounting
Style Designator
Counterbored outer rings, non-separable, tandem mounting
NSN
3110-00-419-4730
Part Number
249721
Description
Bearing,ball,duplex
CAGE
62983

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 249721 NSN 3110-00-419-4730

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:
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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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