Model: 901790-1C

Duplex Ball Bearing

Special Features:

Width of unsealed bearing is 0.2460 in., contact angle of 15 degrees min to 20 degrees max, sealed side of bearing faces outside

Properties:

Overall Width
0.5220 inches
Bore Diameter
2.3125 inches
Overall Outside Diameter
2.8750 inches
Lubrication Material
Grease
Surface Finish
Ground
Retainer Fabrication Method
Machined
Seal Quantity
1
Bearing Seal Type
Contact
Load Direction
Angular
Standard Tolerance Designation
Abec no.5
Bearing Preload Rating
55.0 pounds
Material
Plastic phenolic retainer
Material
Rubber fluorosilicone class fq seal
Material
Steel comp 440c ball
Material
Steel comp 440c inner ring
Material
Steel comp 440c outer ring
Material Specification
Mil-r-25988, type 2, cl 2 military specification single material response seal
NSN
3110-00-281-8015
Part Number
901790-1C
Description
Bearing,ball,duplex
CAGE
40920

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

Part 901790-1C NSN 3110-00-281-8015

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
30213
FIIG:
A044A0
Concept No.:
App. Key:
E
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.4000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

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: 8482105068
  • SITC: 74610
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Ball bearings, nesoi

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