Model: B20

Annular Ball Bearing

Properties:

Overall Width
0.7090 inches
Bore Diameter
25.00 millimeters
Overall Outside Diameter
52.00 millimeters
Lubrication Material
Grease
Outer Ring Width
0.5910 inches
Inner Ring Width
0.6250 inches
Surface Finish
Ground
Seal Quantity
1
Load Direction
Radial
Bore Shape
Straight
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Abec no.1
Lubrication Material
Grease
Lubrication Material Specification
Mil-g-18709 military specification single material response
Material
Steel
Style Designator
Non-loading groove, non-separable
Nondefinitive Specification/std Data
1 class and 00 grade and 117 type
Departure From Cited Designator
As modified by seal qty
NSN
3110-00-156-3542
Part Number
B20
Description
Bearing,ball,annular
CAGE
13125

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing, ball, duplex. Excludes bearing, ball, airframe.

Part B20 NSN 3110-00-156-3542

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00014
FIIG:
A044A0
Concept No.:
App. Key:
C
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: 8482105028
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Angular contact ball bearings, nesoi

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