Model: 91A20-1

Linear-rotary Motion Roller

Properties:

Casehardening Indicator
Not casehardened
Outside Diameter
Between 0.590 inches and 0.610 inches
Bore Length
Between 0.591 inches and 0.597 inches
Bore Inside Diameter
Between 0.187 inches and 0.188 inches
Style Designator
Plain, protruding hubs
NSN
3120-00-630-2760
Part Number
91A20-1
Description
Roller,linear-rotary Motion
CAGE

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 91A20-1 NSN 3120-00-630-2760

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:
062646
UFC:
77383
LTL:
100.0
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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