Model: 1908RRDBDF

Duplex Ball Bearing

Special Features:

Permanently mark same serial no. On all bearing elements

Properties:

Overall Width
0.9448 inches
Bore Diameter
1.5748 inches
Overall Outside Diameter
2.4409 inches
Surface Finish
Ground
Retainer Fabrication Method
Machined
Load Direction
Angular
Internal Clearance
0.0011 inches radial and 0.0018 inches radial
Standard Tolerance Designation
Abec no.3
Bearing Preload Rating
75.0 pounds
Material
Copper alloy retainer
Material
Steel ball
Material
Steel inner ring
Material
Steel outer ring
Material Specification
204-040-408-1, 97499 mfr ref single material response retainer
Material Specification
Fed-std-66, aisi/sae e52100 federal standard single material response ball
Material Specification
Fed-std-66, aisi/sae e52100 federal standard single material response inner ring
Material Specification
Fed-std-66, aisi/sae e52100 federal standard single material response outer ring
Style Designator
92b counterbored outer rings, non-separable, back to back mounting
Style Designator
Counterbored outer rings, non-separable, back to back mounting
NSN
3110-00-690-8727
Part Number
1908RRDBDF
Description
Bearing,ball,duplex
CAGE
38443

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 1908RRDBDF NSN 3110-00-690-8727

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
77.5
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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