Model: MR18-8

Needle Roller Bearing

Properties:

Overall Width
1.2500 inches
Bore Diameter
1.1250 inches
Overall Outside Diameter
1.6250 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for airframe needle bearings
Material
Steel comp e52100 outer ring
Material
Steel comp e52100 roller
Material
Steel retainer
Material Specification
Fed-std 66 federal standard single material response outer ring
Material Specification
Fed-std 66 federal standard single material response retainer
Material Specification
Fed-std 66 federal standard single material response roller
Style Designator
Non-separable, with roller retainer, hardened and ground
NSN
3110-00-839-0757
Part Number
MR18-8
Description
Bearing,roller,needle
CAGE
92563

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Part MR18-8 NSN 3110-00-839-0757

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00051
FIIG:
A044A0
Concept No.:
App. Key:
M
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:
6.0 X 6.0 X 1.2
Paclk Weight:
0.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
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: 8482400000
  • SITC: 74640
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Needle roller bearings

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