Model: 521020-2

Cylindrical Roller Bearing

Special Features:

Silver plated retainer

Properties:

Overall Width
14.0 millimeters
Bore Diameter
20.0 millimeters
Overall Outside Diameter
47.0 millimeters
Surface Finish
Ground
Retainer Fabrication Method
Machined
Bore Shape
Straight
Locating Feature
Nonlocating
Internal Fit-up Designation
Standard
Standard Tolerance Designation
Rbec no.5
Material
Copper alloy retainer
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Style Designator
252b single row, non-locating, cylindrical inner ring, two lip outer ring, separable
Style Designator
Single row, non-locating, cylindrical inner ring, two lip outer ring, separable
NSN
3110-00-618-6503
Part Number
521020-2
Description
Bearing,roller,cylindrical
CAGE
03104

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 521020-2 NSN 3110-00-618-6503

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

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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