Model: R257PC91

Sleeve Bushing

Special Features:

Keyway on id 0. 1875 in. Long x 0.1875 in.Wide x 0.0938 in. Deep

Properties:

Overall Length
3.5625 inches
Body Outside Diameter
Between 0.8140 inches and 0.8150 inches
Body Inside Diameter
Between 1.1910 inches and 1.1970 inches
Corner Shape
Chamfered inside right corner
Corner Shape
Square inside left corner
Corner Shape
Square outside left corner
Corner Shape
Square outside right corner
Hardness Rating
265.0 brinell standard
Surface Finish
125.0 microinches inside diameter surface of body
Surface Finish
125.0 microinches outside diameter surface of body
Surface Finish
125.0 microinches right end surface of body
Surface Finish
16.0 microinches left end surface of body
Keyway Dimension
0.1875 inches internal keyway width
Material
Nickel alloy k-500
Style Designator
17c solid, plain, no outside flanges
Style Designator
Solid, plain, no outside flanges
NSN
3120-00-349-3844
Part Number
R257PC91
Description
Bushing,sleeve
CAGE

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes bushing, drill, jig.

Part R257PC91 NSN 3120-00-349-3844

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13206
FIIG:
A045A0
Concept No.:
App. Key:
K
Cond. Code:
2
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:
114870
UFC:
58890
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8482997060
  • SITC: 74699
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Parts, nesoi, for cylindrical roller bearings, nesoi

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