Model: 307798C91

Cylindrical Roller Bearing

Properties:

Overall Width
29.00 millimeters
Bore Diameter
55.0 millimeters
Overall Outside Diameter
4.7266 inches
Surface Finish
Ground
Bore Shape
Straight
Locating Feature
One direction
Internal Clearance
0.0025 inches bias megawatts and 0.0044 inches angular megawatts
Standard Tolerance Designation
Rbec no.1
Material
Steel inner ring
Material
Steel outer ring
Material
Steel roller
Style Designator
250b single row, non-locating, one lip inner ring, cylindrical outer ring with two roller retainment rings on outer, separable
NSN
3110-00-889-8478
Part Number
307798C91
Description
Bearing,roller,cylindrical
CAGE
31007

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 307798C91 NSN 3110-00-889-8478

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:
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: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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