Model: HR20685

Linear-rotary Motion Roller

Special Features:

0.125 in. Radius hub to face

Properties:

Casehardening Indicator
Casehardened
Outside Diameter
Between 2.495 inches and 2.505 inches
Bore Length
0.969 inches
Metallic Hardness Rating
58.0 rockwell c and 60.0 rockwell c
Face Width
Between 0.611 inches and 0.616 inches
Hub Diameter
1.250 inches
Bore Inside Diameter
Between 0.9325 inches and 0.9380 inches
Chamfer/radius Of Outside Corner
0.031 in.
Chamfer/radius Of Inside Corner
0.016 in. By 45 deg
Material
Steel
Material
Steel
Style Designator
Plain, protruding hubs
NSN
3120-00-288-4852
Part Number
HR20685
Description
Roller,linear-rotary Motion
CAGE
51228

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

Part HR20685 NSN 3120-00-288-4852

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28215
FIIG:
T267-K
Concept No.:
App. Key:
KA
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

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: 8482997090
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi

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