Model: N306

Cylindrical Roller Bearing

Properties:

Overall Width
19.0 millimeters
Bore Diameter
30.0 millimeters
Overall Outside Diameter
72.0 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
Nonlocating
Internal Clearance
0.0004 inches radial and 0.0018 inches radial
Standard Tolerance Designation
Rbec no.1
Material
Steel comp 4320 inner ring or steel comp 4620 inner ring or steel comp 8620 inner ring or steel comp e52100 inner ring
Material
Steel comp 4320 outer ring or steel comp 4620 outer ring or steel comp 8620 outer ring or steel comp e52100 outer ring
Material
Steel comp 4320 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e52100 roller
Material
Steel retainer or copper alloy retainer
Material Specification
66 federal standard all material responses inner ring
Material Specification
66 federal standard all material responses outer ring
Material Specification
66 federal standard all material responses roller
Style Designator
252a single row, non-locating, two lip inner ring, cylindrical outer ring, separable
Specification Data
96906-ms19074 government standard
NSN
3110-01-193-1621
Part Number
N306
Description
Bearing,roller,cylindrical
CAGE
43991

A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes bearing, roller, airframe.

Part N306 NSN 3110-01-193-1621

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00015
FIIG:
A044A0
Concept No.:
App. Key:
L
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:
--
Paclk Weight:
0.6000lbs
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: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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