Model: MR1903G301

Cylindrical Roller Bearing

Special Features:

Heat stabilized for operation at m 65 to p 350 degrees f rockwell harness rating, retainer 47.0 min, rollers, inner and outer rings 58.0 to 62.0 c scale

Properties:

Overall Width
7.0 millimeters
Bore Diameter
17.0 millimeters
Overall Outside Diameter
30.0 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
One direction
Internal Clearance
0.0012 inches radial and 0.0016 inches radial
Standard Tolerance Designation
Rbec no.5
Material
Copper alloy retainer
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Material Specification
Ams 6440 assn standard single material response inner ring or ams 6441 assn standard single material response inner ring
Material Specification
Ams 6440 assn standard single material response outer ring or ams 6441 assn standard single material response outer ring
Material Specification
Ams 6440 assn standard single material response roller
Material Specification
Mil-t-46072 military specification single material response retainer or 2-300-027, 91547 mfr ref single material response retainer
Style Designator
252f single row, one-direction locating, one lip inner ring, two lip outer ring, separable
NSN
3110-00-863-1194
Part Number
MR1903G301
Description
Bearing,roller,cylindrical
CAGE
38443

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 MR1903G301 NSN 3110-00-863-1194

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:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
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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