Model: MR1904D1

Cylindrical Roller Bearing

Special Features:

Stabilized for operation from m 65 to p 250 degrees f, retainer silver-plated 0.0005 to 0.0015 in. Thk per ams 2412, c60.0 to c64.0 rockwell hardness rollers, inner and outer rings, max surfacefinish rollers 4 microinches aa, inner and outer raceways 3 microinches aa

Properties:

Overall Width
9.0 millimeters
Bore Diameter
20.0 millimeters
Overall Outside Diameter
37.0 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
One direction
Internal Clearance
0.0017 inches radial and 0.0025 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 4616 assn standard single material response retainer
Material Specification
Ams 6490 assn standard single material response outer ring
Material Specification
Ams 6490 assn standard single material response roller
Material Specification
Ams 6490 assn standard single material response inner ring
Style Designator
252e single row, one-direction locating, two lip inner ring, one lip outer ring, separable
Style Designator
Single row, one-direction locating, two lip inner ring, one lip outer ring, separable
NSN
3110-00-151-5069
Part Number
MR1904D1
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 MR1904D1 NSN 3110-00-151-5069

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:
A
ESD:
A
MMAC:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 1.2
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
LVL_B:

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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